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CVE-2025-20191

Multiple Cisco Products Denial of Service Vulnerability PUBLISHED

Description (CNA)

A vulnerability in the Switch Integrated Security Features (SISF) of Cisco IOS Software, Cisco IOS XE Software, Cisco NX-OS Software, and Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to the incorrect handling of DHCPv6 packets. An attacker could exploit this vulnerability by sending a crafted DHCPv6 packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected (CNA)

Vendor / productVersions
Cisco / Cisco NX-OS Softwareaffected 8.2(5); affected 7.3(5)D1(1); affected 8.4(2); affected 8.4(3); affected 9.2(3); affected 9.2(2v); affected 7.3(4)D1(1); affected 8.2(1); affected 9.2(1); affected 9.2(2t); affected 9.2(3y); affected 7.0(3)I7(6z); affected 9.3(2); affected 7.0(3)I7(3z); affected 7.0(3)IM7(2); affected 7.0(3)I7(5a); affected 8.1(1); affected 8.2(2); affected 8.3(2); affected 7.3(2)D1(3a); affected 9.2(4); affected 8.1(2); affected 7.3(3)D1(1); affected 8.2(3); affected 7.0(3)I7(2); affected 7.0(3)I7(3); affected 8.4(1); affected 7.3(0)DX(1); affected 7.3(2)D1(1); affected 9.3(1); affected 7.0(3)I7(6); affected 7.3(2)D1(2); affected 8.2(4); affected 7.0(3)I7(4); affected 7.0(3)I7(7); affected 9.3(1z); affected 9.2(2); affected 8.1(2a); affected 7.3(2)D1(3); affected 7.0(3)I7(5); affected 7.0(3)I7(1); affected 7.0(3)IA7(2); affected 7.0(3)IA7(1); affected 8.3(1); affected 7.3(1)D1(1); affected 7.3(0)D1(1); affected 9.3(3); affected 7.3(2)D1(1d); affected 7.0(3)I7(8); affected 9.3(4); affected 7.3(6)D1(1); affected 8.2(6); affected 9.3(5); affected 7.0(3)I7(9); affected 9.3(6); affected 10.1(2); affected 10.1(1); affected 8.4(4); affected 7.3(7)D1(1); affected 9.3(5w); affected 8.2(7); affected 9.3(7); affected 9.3(7k); affected 7.0(3)I7(9w); affected 10.2(1); affected 7.3(8)D1(1); affected 9.3(7a); affected 8.2(7a); affected 9.3(8); affected 8.4(4a); affected 8.4(5); affected 7.0(3)I7(10); affected 8.2(8); affected 10.2(1q); affected 10.2(2); affected 9.3(9); affected 10.1(2t); affected 7.3(9)D1(1); affected 10.2(3); affected 8.4(6); affected 10.2(3t); affected 9.3(10); affected 10.2(2a); affected 8.2(9); affected 10.3(1); affected 10.2(4); affected 8.4(7); affected 10.3(2); affected 8.4(6a); affected 9.3(11); affected 10.3(3); affected 10.2(5); affected 8.2(10); affected 9.3(12); affected 10.2(3v); affected 10.4(1); affected 8.4(8); affected 10.3(99w); affected 10.2(6); affected 10.3(3w); affected 10.3(99x); affected 10.3(3o); affected 8.4(9); affected 10.3(4); affected 10.3(3p); affected 10.3(4a); affected 10.4(2); affected 10.3(3q); affected 9.3(13); affected 8.2(11); affected 10.3(5); affected 10.2(7); affected 10.4(3); affected 10.3(3x); affected 10.3(4g); affected 10.2(8); affected 10.3(3r); affected 9.3(14); affected 10.3(4h)
Cisco / Cisco Wireless LAN Controller (WLC)affected 8.10.112.0; affected 8.8.120.0; affected 8.3.143.0; affected 8.3.111.0; affected 8.2.164.0; affected 8.5.109.0; affected 8.3.132.0; affected 8.5.105.0; affected 8.2.170.0; affected 8.2.160.0; affected 8.8.100.0; affected 8.9.111.0; affected 8.7.102.0; affected 8.3.102.0; affected 8.3.133.0; affected 8.3.131.0; affected 8.5.100.0; affected 8.5.131.0; affected 8.3.122.0; affected 8.5.101.0; affected 8.3.112.0; affected 8.5.120.0; affected 8.2.141.0; affected 8.3.141.0; affected 8.3.121.0; affected 8.2.151.0; affected 8.3.130.0; affected 8.5.102.0; affected 8.2.161.0; affected 8.5.151.0; affected 8.2.100.0; affected 8.5.135.0; affected 8.3.135.0; affected 8.5.140.0; affected 8.7.106.0; affected 8.9.100.0; affected 8.8.111.0; affected 8.2.110.0; affected 8.5.110.0; affected 8.2.130.0; affected 8.5.141.105; affected 8.2.121.0; affected 8.8.125.0; affected 8.3.150.0; affected 8.2.111.0; affected 8.10.105.0; affected 8.5.108.0; affected 8.3.108.0; affected 8.2.166.0; affected 8.5.103.0; affected 8.3.140.0; affected 8.6.101.0; affected 8.4.100.0; affected 8.5.160.0; affected 8.5.161.0; affected 8.8.130.0; affected 8.10.120.0; affected 8.10.121.0; affected 8.10.113.0; affected 8.10.122.0; affected 8.10.130.0; affected 8.10.141.0; affected 8.10.142.0; affected 8.5.171.0; affected 8.10.150.0; affected 8.10.151.0; affected 8.10.162.0; affected 8.5.182.0; affected 8.10.171.0; affected 8.10.180.0; affected 8.10.181.0; affected 8.10.182.0; affected 8.10.170.0; affected 8.10.183.0; affected 8.5.182.7; affected 8.5.182.105; affected 8.5.182.106; affected 8.10.185.0; affected 8.5.182.107; affected 8.5.182.11; affected 8.5.182.108; affected 8.10.190.0; affected 8.10.195.0; affected 8.5.182.12

CWE

CWE-805

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.