CVE-2025-20162

A vulnerability in the DHCP snooping security feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a full interface queue wedge, which could result in a denial of service DoS condition. This vulnerability is due to improper handling of DHCP request packets. An...

CVE-2025-20162

A vulnerability in the DHCP snooping security feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a full interface queue wedge, which could result in a denial of service DoS condition. This vulnerability is due to improper handling of DHCP request packets. An...

CVE-2025-20162

A vulnerability in the DHCP snooping security feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a full interface queue wedge, which could result in a denial of service DoS condition. This vulnerability is due to improper handling of DHCP request packets. An...

Cisco IOS XE Software Switch Integrated Security Features IPv6 DoS (cisco-sa-20180328-sisf)

According to its self-reported version, Cisco IOS XE Software is affected by a denial of service DoS vulnerability in the Switch Integrated Security Features due to incorrect handling of crafted IPv6 packets. An unauthenticated, remote attacker can exploit this, by sending crafted IPv6 packets to...

CVE-2018-0164

A vulnerability in the Switch Integrated Security Features of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an interface queue wedge. The vulnerability is due to incorrect handling of crafted IPv6 packets. An attacker could exploit this vulnerability by sending...

CVE-2018-0164

A vulnerability in the Switch Integrated Security Features of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an interface queue wedge. The vulnerability is due to incorrect handling of crafted IPv6 packets. An attacker could exploit this vulnerability by sending...

Cisco Releases Semiannual IOS Software Security Advisory Bundled Publication

Cisco has released its semiannual Cisco IOS Software Security Advisory Bundled Publication. This publication includes seven Security Advisories that address vulnerabilities in Cisco IOS Software. Exploits of these vulnerabilities could result in a denial of service DoS condition, interface queue...

Cisco Releases Semiannual IOS Software Security Advisory Bundled Publication

Cisco has released its semiannual Cisco IOS Software Security Advisory Bundled Publication. This publication includes eight Security Advisories that address vulnerabilities in Cisco IOS Software. Exploits of these vulnerabilities could result in a denial of service DoS condition, interface queue...

CVE-2012-4620

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service interface queue wedge via tunneled 1 GRE/IP, 2 IPIP, or 3 IPv6 in IPv4 packets, aka Bug ID CSCts66808...

CVE-2011-4015

Cisco IOS 15.2S allows remote attackers to cause a denial of service interface queue wedge via malformed UDP traffic on port 465, aka Bug ID CSCts48300...

Denial of service

Cisco IOS 15.2S allows remote attackers to cause a denial of service interface queue wedge via malformed UDP traffic on port 465, aka Bug ID CSCts48300...