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-2019-1751: Improper Input Validation

A vulnerability in the Network Address Translation 64 NAT64 functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent...

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...

CVE-2018-0164: Undefined Security Weakness

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...

CVE-2015-0638: Improper Input Validation

Cisco IOS 12.2, 12.4, 15.0, 15.2, and 15.3, when a VRF interface is configured, allows remote attackers to cause a denial of service interface queue wedge via crafted ICMPv4 packets, aka Bug ID CSCsi02145...

CVE-2013-6686: Improper Input Validation

The SSL VPN implementation in Cisco IOS 15.31T2 and earlier allows remote authenticated users to cause a denial of service interface queue wedge via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568...

CVE-2013-5477: Improper Input Validation

The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service interface queue wedge via bursty network traffic, aka Bug ID CSCub67465...

CVE-2013-5478: Improper Input Validation

Cisco IOS 15.0 through 15.3 and IOS XE 3.2 through 3.8, when a VRF interface exists, allows remote attackers to cause a denial of service interface queue wedge via crafted UDP RSVP packets, aka Bug ID CSCuf17023...

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-2012-4620: Undefined Security Weakness

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...

CVE-2011-4015: Improper Input Validation

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...

CVE-2010-0582: Undefined Security Weakness

Cisco IOS 12.1 through 12.4, and 15.0M before 15.01M1, allows remote attackers to cause a denial of service interface queue wedge via malformed H.323 packets, aka Bug ID CSCta19962...