Routing & Switching

Router and switch operating systems and network infrastructure platforms. 207 tracked CVEs, 4 confirmed exploited. This category sits outside vendors’ security portfolios and is excluded from risk rankings.

CVEs by vendor

All years, distinct CVEs.

Compare by year →

CVEs

Most recent first, up to 300.

Routing & Switching CVEs
CVE Published Severity Vendor Products EPSS
CVE-2026-20311 Aug 5, 2026 Medium 6.3 cisco cisco-ios-xe
CVE-2026-20301 Aug 5, 2026 High 8.6 cisco cisco-ios, cisco-ios-xe
CVE-2026-20308 Aug 5, 2026 Medium 4.3 cisco cisco-ios-xe
CVE-2026-20273 Aug 5, 2026 High 8.6 cisco cisco-ios-xe
CVE-2026-20272 Aug 5, 2026 Critical 9.8 cisco cisco-ios-xe
CVE-2026-20271 Aug 5, 2026 High 8.6 cisco cisco-ios-xe
CVE-2026-20270 Aug 5, 2026 High 8.6 cisco cisco-ios-xe
CVE-2026-20269 Aug 5, 2026 High 8.6 cisco cisco-ios-xe
CVE-2026-20268 Aug 5, 2026 High 8.6 cisco cisco-ios-xe
CVE-2026-20267 Aug 5, 2026 Critical 9 cisco cisco-ios-xe
CVE-2026-20263 Aug 5, 2026 High 8.6 cisco cisco-ios-xe
CVE-2026-20124 Aug 5, 2026 High 7.7 cisco cisco-ios-xe
CVE-2026-59840 Jul 14, 2026 Medium 4.1 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +1 0.002
CVE-2026-20171 May 20, 2026 Medium 6.8 cisco cisco-nx-os 0.005
CVE-2025-53870 May 12, 2026 Medium 6.5 fortinet fortinet-fortiap 0.006
CVE-2025-53680 May 12, 2026 Medium 6.1 fortinet fortinet-fortiap 0.006
CVE-2026-20185 May 6, 2026 High 7.7 cisco cisco-small-business-network 0.004
CVE-2025-61624 Apr 14, 2026 Medium 5.4 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +1 0.005
CVE-2026-20112 Mar 25, 2026 Medium 4.8 cisco cisco-ios-xe 0.002
CVE-2026-20113 Mar 25, 2026 Medium 5.3 cisco cisco-ios-xe 0.003
CVE-2026-20114 Mar 25, 2026 Medium 5.4 cisco cisco-ios-xe 0.003
CVE-2026-20115 Mar 25, 2026 Medium 6.1 cisco cisco-ios-xe 0.002
CVE-2026-20083 Mar 25, 2026 Medium 6.5 cisco cisco-ios-xe 0.001
CVE-2026-20110 Mar 25, 2026 Medium 6.5 cisco cisco-ios-xe 0.001
CVE-2026-20104 Mar 25, 2026 Medium 6.1 cisco cisco-ios-xe 0.002
CVE-2026-20004 Mar 25, 2026 High 7.4 cisco cisco-ios-xe 0.002
CVE-2026-20125 Mar 25, 2026 High 7.7 cisco cisco-ios, cisco-ios-xe 0.003
CVE-2026-20012 Mar 25, 2026 High 8.6 cisco cisco-asa, cisco-ios, cisco-ios-xe +1 0.004
CVE-2026-20086 Mar 25, 2026 High 8.6 cisco cisco-ios-xe 0.004
CVE-2026-20084 Mar 25, 2026 High 8.6 cisco cisco-ios-xe 0.004
CVE-2026-20118 Mar 11, 2026 Medium 6.8 cisco cisco-ios-xr 0.003
CVE-2026-20046 Mar 11, 2026 High 8.8 cisco cisco-ios-xr 0.001
CVE-2026-20074 Mar 11, 2026 High 7.4 cisco cisco-ios-xr 0.002
CVE-2026-20040 Mar 11, 2026 High 8.8 cisco cisco-ios-xr 0.002
CVE-2026-20033 Feb 25, 2026 High 7.4 cisco cisco-nx-os 0.002
CVE-2026-20048 Feb 25, 2026 High 7.7 cisco cisco-nx-os 0.003
CVE-2026-20010 Feb 25, 2026 High 7.4 cisco cisco-nx-os, cisco-ucs 0.002
CVE-2026-20051 Feb 25, 2026 High 7.4 cisco cisco-nx-os 0.002
CVE-2025-25249 Jan 13, 2026 High 7.4 fortinet fortinet-fortios, fortinet-fortiswitch 0.007
CVE-2025-59718 KEV Dec 9, 2025 Critical 9.1 fortinet fortinet-fortios, fortinet-fortiproxy, fortinet-fortiswitch 0.630
CVE-2025-64153 Dec 9, 2025 Medium 6.7 fortinet fortinet-fortiextender 0.016
CVE-2025-46776 Nov 18, 2025 Medium 6.3 fortinet fortinet-fortiextender 0.002
CVE-2025-46775 Nov 18, 2025 Medium 5.2 fortinet fortinet-fortiextender 0.002
CVE-2024-26008 Oct 14, 2025 Medium 5 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +1 0.004
CVE-2025-22258 Oct 14, 2025 Medium 5.7 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +2 0.005
CVE-2025-49201 Oct 14, 2025 High 7.4 fortinet fortinet-fortipam, fortinet-fortiswitch 0.006
CVE-2025-20363 Sep 25, 2025 Critical 9 cisco cisco-asa, cisco-ftd, cisco-ios +2 0.075
CVE-2025-20314 Sep 24, 2025 Medium 6.7 cisco cisco-ios-xe 0.001
CVE-2025-20316 Sep 24, 2025 Medium 5.3 cisco cisco-ios-xe 0.003
CVE-2025-20293 Sep 24, 2025 Medium 5.3 cisco cisco-ios-xe 0.002
CVE-2025-20338 Sep 24, 2025 Medium 6 cisco cisco-ios-xe 0.002
CVE-2025-20240 Sep 24, 2025 Medium 6.1 cisco cisco-ios-xe 0.003
CVE-2025-20149 Sep 24, 2025 Medium 6.5 cisco cisco-ios, cisco-ios-xe 0.001
CVE-2025-20313 Sep 24, 2025 Medium 6.7 cisco cisco-ios-xe 0.002
CVE-2025-20311 Sep 24, 2025 High 7.4 cisco cisco-ios-xe 0.002
CVE-2025-20327 Sep 24, 2025 High 7.7 cisco cisco-ios 0.004
CVE-2025-20312 Sep 24, 2025 High 7.7 cisco cisco-ios-xe 0.004
CVE-2025-20352 KEV Sep 24, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.388
CVE-2025-20160 Sep 24, 2025 High 8.1 cisco cisco-ios, cisco-ios-xe 0.004
CVE-2025-20315 Sep 24, 2025 High 8.6 cisco cisco-ios-xe 0.004
CVE-2025-20334 Sep 24, 2025 High 8.8 cisco cisco-ios-xe 0.005
CVE-2025-20339 Sep 24, 2025 Medium 5.8 cisco cisco-sd-wan-vedge 0.003
CVE-2025-20365 Sep 24, 2025 Medium 4.3 cisco cisco-aironet 0.002
CVE-2025-20364 Sep 24, 2025 Medium 4.3 cisco cisco-aironet 0.001
CVE-2025-20340 Sep 10, 2025 High 7.4 cisco cisco-ios-xr 0.006
CVE-2025-20159 Sep 10, 2025 Medium 5.3 cisco cisco-ios-xr 0.003
CVE-2025-20248 Sep 10, 2025 Medium 6 cisco cisco-ios-xr 0.001
CVE-2025-20241 Aug 27, 2025 High 7.4 cisco cisco-nx-os 0.003
CVE-2025-20262 Aug 27, 2025 Medium 5 cisco cisco-nx-os 0.003
CVE-2025-20290 Aug 27, 2025 Medium 5.5 cisco cisco-nx-os, cisco-ucs 0.001
CVE-2025-20292 Aug 27, 2025 Medium 4.4 cisco cisco-nx-os, cisco-ucs 0.032
CVE-2025-20239 Aug 14, 2025 High 8.6 cisco cisco-asa, cisco-ftd, cisco-ios +1 0.006
CVE-2025-20225 Aug 14, 2025 Medium 5.8 cisco cisco-asa, cisco-ftd, cisco-ios +1 0.007
CVE-2024-26009 Aug 12, 2025 High 7.9 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +1 0.006
CVE-2025-22252 May 28, 2025 Critical 9 fortinet fortinet-fortios, fortinet-fortiproxy, fortinet-fortiswitch 0.008
CVE-2025-20195 May 7, 2025 Medium 4.3 cisco cisco-ios-xe 0.002
CVE-2025-20194 May 7, 2025 Medium 5.4 cisco cisco-ios-xe 0.003
CVE-2025-20193 May 7, 2025 Medium 6.5 cisco cisco-ios-xe 0.004
CVE-2025-20201 May 7, 2025 Medium 6.7 cisco cisco-ios-xe 0.002
CVE-2025-20200 May 7, 2025 Medium 6.7 cisco cisco-ios-xe 0.002
CVE-2025-20199 May 7, 2025 Medium 4.6 cisco cisco-ios-xe 0.001
CVE-2025-20198 May 7, 2025 Medium 4.6 cisco cisco-ios-xe 0.001
CVE-2025-20197 May 7, 2025 Medium 6.7 cisco cisco-ios-xe 0.002
CVE-2025-20221 May 7, 2025 Medium 5.3 cisco cisco-ios-xe 0.005
CVE-2025-20162 May 7, 2025 High 8.6 cisco cisco-ios-xe 0.005
CVE-2025-20196 May 7, 2025 Medium 5.3 cisco cisco-ios, cisco-ios-xe 0.004
CVE-2025-20186 May 7, 2025 High 8.8 cisco cisco-ios-xe 0.008
CVE-2025-20155 May 7, 2025 Medium 6 cisco cisco-ios-xe 0.002
CVE-2025-20140 May 7, 2025 High 7.4 cisco cisco-ios-xe 0.002
CVE-2025-20164 May 7, 2025 High 8.3 cisco cisco-ios 0.003
CVE-2025-20192 May 7, 2025 High 7.7 cisco cisco-ios-xe 0.004
CVE-2025-20189 May 7, 2025 High 7.4 cisco cisco-ios-xe 0.002
CVE-2025-20181 May 7, 2025 Medium 6.8 cisco cisco-ios 0.002
CVE-2025-20202 May 7, 2025 High 7.4 cisco cisco-ios-xe 0.002
CVE-2025-20190 May 7, 2025 Medium 6.5 cisco cisco-ios-xe 0.004
CVE-2025-20188 May 7, 2025 Critical 10 cisco cisco-ios-xe 0.250
CVE-2025-20214 May 7, 2025 Medium 4.3 cisco cisco-ios-xe 0.003
CVE-2025-20137 May 7, 2025 Medium 4.7 cisco cisco-ios 0.003
CVE-2025-20154 May 7, 2025 High 8.6 cisco cisco-ios-xr 0.005
CVE-2025-20151 May 7, 2025 Medium 4.3 cisco cisco-ios-xe 0.004
CVE-2025-20191 May 7, 2025 High 7.4 cisco cisco-nx-os 0.002
CVE-2024-48887 Apr 8, 2025 Critical 9.3 fortinet fortinet-fortiswitch 0.148
CVE-2025-20209 Mar 12, 2025 High 7.5 cisco cisco-ios-xr 0.005
CVE-2025-20177 Mar 12, 2025 Medium 6.7 cisco cisco-ios-xr 0.001
CVE-2025-20146 Mar 12, 2025 High 8.6 cisco cisco-ios-xr 0.005
CVE-2025-20145 Mar 12, 2025 Medium 5.8 cisco cisco-ios-xr 0.004
CVE-2025-20144 Mar 12, 2025 Medium 4 cisco cisco-ios-xr 0.003
CVE-2025-20143 Mar 12, 2025 Medium 6.7 cisco cisco-ios-xr 0.001
CVE-2025-20142 Mar 12, 2025 High 8.6 cisco cisco-ios-xr 0.005
CVE-2025-20141 Mar 12, 2025 High 7.4 cisco cisco-ios-xr 0.002
CVE-2025-20138 Mar 12, 2025 High 8.8 cisco cisco-ios-xr 0.002
CVE-2025-20115 Mar 12, 2025 High 8.6 cisco cisco-ios-xr 0.009
CVE-2025-20161 Feb 26, 2025 Medium 5.1 cisco cisco-nx-os 0.005
CVE-2025-20111 Feb 26, 2025 High 7.4 cisco cisco-nx-os 0.003
CVE-2025-20169 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.008
CVE-2025-20175 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.007
CVE-2025-20174 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.007
CVE-2025-20170 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.008
CVE-2025-20171 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.008
CVE-2025-20176 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.007
CVE-2025-20172 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe, cisco-ios-xr 0.007
CVE-2025-20173 Feb 5, 2025 High 7.7 cisco cisco-ios, cisco-ios-xe 0.007
CVE-2024-26012 Jan 14, 2025 Medium 6.3 fortinet fortinet-fortiap 0.007
CVE-2024-20397 Dec 4, 2024 Medium 5.2 cisco cisco-nx-os, cisco-ucs 0.003
CVE-2024-20373 Nov 15, 2024 Medium 5.3 cisco cisco-ios-xe 0.005
CVE-2024-26011 Nov 12, 2024 Medium 5.2 fortinet fortinet-fortimanager, fortinet-fortios, fortinet-fortipam +3 0.006
CVE-2024-20418 Nov 6, 2024 Critical 10 cisco cisco-aironet 0.031
CVE-2024-20524 Oct 2, 2024 Medium 6.8 cisco cisco-small-business-network 0.005
CVE-2024-20523 Oct 2, 2024 Medium 6.8 cisco cisco-small-business-network 0.005
CVE-2024-20522 Oct 2, 2024 Medium 6.5 cisco cisco-small-business-network 0.005
CVE-2024-20521 Oct 2, 2024 Medium 6.5 cisco cisco-small-business-network 0.007
CVE-2024-20520 Oct 2, 2024 Medium 6.5 cisco cisco-small-business-network 0.006
CVE-2024-20519 Oct 2, 2024 Medium 6.5 cisco cisco-small-business-network 0.006
CVE-2024-20518 Oct 2, 2024 Medium 6.5 cisco cisco-small-business-network 0.006
CVE-2024-20517 Oct 2, 2024 Medium 6.8 cisco cisco-small-business-network 0.004
CVE-2024-20516 Oct 2, 2024 Medium 6.8 cisco cisco-small-business-network 0.004
CVE-2024-20470 Oct 2, 2024 Medium 6.5 cisco cisco-small-business-network 0.006
CVE-2024-20393 Oct 2, 2024 High 8.8 cisco cisco-small-business-network 0.006
CVE-2024-20434 Sep 25, 2024 Medium 4.3 cisco cisco-ios-xe 0.003
CVE-2024-20414 Sep 25, 2024 Medium 6.5 cisco cisco-ios, cisco-ios-xe 0.003
CVE-2024-20465 Sep 25, 2024 Medium 5.8 cisco cisco-ios 0.004
CVE-2024-20510 Sep 25, 2024 Medium 4.7 cisco cisco-ios-xe 0.003
CVE-2024-20467 Sep 25, 2024 High 8.6 cisco cisco-ios-xe 0.010
CVE-2024-20464 Sep 25, 2024 High 8.6 cisco cisco-ios-xe 0.006
CVE-2024-20480 Sep 25, 2024 High 8.6 cisco cisco-ios-xe 0.006
CVE-2024-20437 Sep 25, 2024 High 8.1 cisco cisco-ios-xe 0.003
CVE-2024-20436 Sep 25, 2024 High 8.6 cisco cisco-ios-xe 0.009
CVE-2024-20433 Sep 25, 2024 High 8.6 cisco cisco-ios, cisco-ios-xe 0.006
CVE-2024-20496 Sep 25, 2024 Medium 6.1 cisco cisco-sd-wan-vedge 0.002
CVE-2024-20455 Sep 25, 2024 High 8.6 cisco cisco-ios-xe 0.007
CVE-2024-20304 Sep 11, 2024 High 8.6 cisco cisco-ios-xr 0.006
CVE-2024-20489 Sep 11, 2024 High 8.4 cisco cisco-ios-xr 0.001
CVE-2024-20483 Sep 11, 2024 High 7.2 cisco cisco-ios-xr 0.011
CVE-2024-20406 Sep 11, 2024 High 7.4 cisco cisco-ios-xr 0.002
CVE-2024-20381 Sep 11, 2024 High 8.8 cisco cisco-ios-xr, cisco-nso, cisco-small-business-network 0.006
CVE-2024-20317 Sep 11, 2024 High 7.4 cisco cisco-ios-xr 0.002
CVE-2024-20398 Sep 11, 2024 High 8.8 cisco cisco-ios-xr 0.002
CVE-2024-20390 Sep 11, 2024 Medium 5.3 cisco cisco-ios-xr 0.004
CVE-2024-20343 Sep 11, 2024 Medium 5.5 cisco cisco-ios-xr 0.001
CVE-2024-20284 Aug 28, 2024 Medium 5.3 cisco cisco-nx-os 0.002
CVE-2024-20285 Aug 28, 2024 Medium 5.3 cisco cisco-nx-os 0.002
CVE-2024-20286 Aug 28, 2024 Medium 5.3 cisco cisco-nx-os 0.002
CVE-2024-20446 Aug 28, 2024 High 8.6 cisco cisco-nx-os 0.008
CVE-2024-20289 Aug 28, 2024 Medium 4.4 cisco cisco-nx-os 0.002
CVE-2024-20411 Aug 28, 2024 Medium 6.7 cisco cisco-nx-os 0.002
CVE-2024-20413 Aug 28, 2024 Medium 6.7 cisco cisco-nx-os 0.001
CVE-2024-20451 Aug 7, 2024 High 7.5 cisco cisco-small-business-network 0.008
CVE-2024-20454 Aug 7, 2024 Critical 9.8 cisco cisco-small-business-network 0.066
CVE-2024-20450 Aug 7, 2024 Critical 9.8 cisco cisco-small-business-network 0.072
CVE-2024-20416 Jul 17, 2024 Medium 6.5 cisco cisco-small-business-network 0.009
CVE-2024-20456 Jul 10, 2024 Medium 6.7 cisco cisco-ios-xr 0.002
CVE-2024-23663 Jul 9, 2024 High 8.1 fortinet fortinet-fortiextender 0.006
CVE-2024-20399 KEV Jul 1, 2024 Medium 6 cisco cisco-nx-os 0.043
CVE-2024-26010 Jun 11, 2024 Medium 6.7 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +1 0.008
CVE-2024-20313 Apr 24, 2024 High 7.4 cisco cisco-ios-xe 0.003
CVE-2024-20362 Apr 3, 2024 Medium 6.1 cisco cisco-small-business-network 0.005
CVE-2024-20310 Apr 3, 2024 Medium 6.1 cisco cisco-ios-xe, cisco-ucm 0.005
CVE-2024-20307 Mar 27, 2024 Medium 6.8 cisco cisco-ios, cisco-ios-xe 0.007
CVE-2024-20308 Mar 27, 2024 High 8.6 cisco cisco-ios, cisco-ios-xe 0.008
CVE-2024-20271 Mar 27, 2024 High 8.6 cisco cisco-aironet 0.006
CVE-2024-20265 Mar 27, 2024 Medium 5.9 cisco cisco-aironet, cisco-ios-xe 0.002
CVE-2024-20309 Mar 27, 2024 Medium 5.6 cisco cisco-ios-xe 0.001
CVE-2024-20303 Mar 27, 2024 High 7.4 cisco cisco-ios-xe 0.003
CVE-2024-20278 Mar 27, 2024 Medium 6.5 cisco cisco-ios-xe 0.005
CVE-2024-20306 Mar 27, 2024 Medium 6 cisco cisco-ios-xe 0.002
CVE-2024-20314 Mar 27, 2024 High 8.6 cisco cisco-ios-xe 0.008
CVE-2024-20312 Mar 27, 2024 High 7.4 cisco cisco-ios, cisco-ios-xe 0.003
CVE-2024-20324 Mar 27, 2024 Medium 5.5 cisco cisco-ios-xe 0.001
CVE-2024-20259 Mar 27, 2024 High 8.6 cisco cisco-ios-xe 0.008
CVE-2024-20276 Mar 27, 2024 High 7.4 cisco cisco-ios 0.003
CVE-2024-20311 Mar 27, 2024 High 8.6 cisco cisco-ios, cisco-ios-xe 0.008
CVE-2024-20316 Mar 27, 2024 Medium 5.8 cisco cisco-ios-xe 0.005
CVE-2024-20354 Mar 27, 2024 Medium 4.7 cisco cisco-aironet 0.003
CVE-2024-20319 Mar 13, 2024 Medium 4.3 cisco cisco-ios-xr 0.003
CVE-2024-20262 Mar 13, 2024 Medium 6.5 cisco cisco-ios-xr 0.001
CVE-2024-20318 Mar 13, 2024 High 7.4 cisco cisco-ios-xr 0.003
CVE-2024-20315 Mar 13, 2024 Medium 5.8 cisco cisco-ios-xr 0.005
CVE-2024-20322 Mar 13, 2024 Medium 5.8 cisco cisco-ios-xr 0.005
CVE-2024-20266 Mar 13, 2024 Medium 5.3 cisco cisco-ios-xr 0.006
CVE-2024-20320 Mar 13, 2024 High 7.8 cisco cisco-ios-xr 0.002
CVE-2024-20327 Mar 13, 2024 High 7.4 cisco cisco-ios-xr 0.003
CVE-2024-20294 Feb 28, 2024 Medium 6.6 cisco cisco-fxos, cisco-nx-os, cisco-ucs 0.003
CVE-2024-20291 Feb 28, 2024 Medium 5.8 cisco cisco-nx-os 0.009
CVE-2024-20267 Feb 28, 2024 High 8.6 cisco cisco-nx-os 0.009
CVE-2024-20321 Feb 28, 2024 High 8.6 cisco cisco-nx-os 0.007
CVE-2024-23113 KEV Feb 15, 2024 Critical 9.8 fortinet fortinet-fortios, fortinet-fortipam, fortinet-fortiproxy +1 0.617
CVE-2024-20263 Jan 26, 2024 Medium 5.8 cisco cisco-small-business-network 0.004