CVE-2025-20174

CVE-2025-20174 affects Cisco IOS/IOS XE/IOS XR SNMP subsystems. Root cause: improper error handling when parsing SNMP requests, enabling authenticated remote DoS. IOS/IOS XE: exploitation can reload the device, causing DoS; IOS XR: SNMP process restart with interrupted responses. Exploitation req...

CVE-2025-20174

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

CVE-2025-20170

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

CVE-2025-20170

CVE-2025-20170 affects Cisco IOS Software, IOS XE, and IOS XR where the SNMP subsystem mishandles parsing errors in crafted SNMP requests, leading to DoS (reload on IOS/IOS XE; SNMP process restart on IOS XR). Affected SNMP versions are 1, 2c, and 3; exploitation requires a valid read-write/read-...

CVE-2025-20170

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

CVE-2025-20171

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

CVE-2025-20171

Mode C chosen. Summary of CVE-2025-20171 : Affects Cisco IOS Software, IOS XE, and IOS XR SNMP subsystems. The root cause is improper error handling when parsing SNMP requests, enabling an authenticated, remote attacker to trigger a DoS by forcing a device reload on most vulnerable platforms. Wha...

CVE-2025-20176

CVE-2025-20176 affects Cisco IOS Software and Cisco IOS XE Software. The vulnerability lies in the SNMP subsystem where improper error handling during parsing of SNMP requests can allow an authenticated, remote attacker to cause a DoS on an affected device by forcing a reload. Affected SNMP versi...

CVE-2025-20176

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

CVE-2025-20172

A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker...

CVE-2025-20172

A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker...

CVE-2025-20173

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

CVE-2025-20173

The CVE-2025-20173 issue concerns Cisco IOS/IOS XE/IOS XR SNMP handling. The SNMP subsystem fails to handle certain requests due to improper error handling, enabling an authenticated remote attacker to trigger a denial of service. Affected are SNMP versions 1, 2c, and 3; exploitation requires a v...

CVE-2025-20173

A vulnerability in the SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this...

Cisco IOS, IOS XE, and IOS XR Software SNMP Denial of Service Vulnerabilities

Multiple vulnerabilities in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. For more information about thes...

CVE-2024-20311

A vulnerability in the Locator ID Separation Protocol LISP feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to the incorrect handling of LISP packets. An attacker could exploit...

CVE-2024-20489

A vulnerability in the storage method of the PON Controller configuration file could allow an authenticated, local attacker with low privileges to obtain the MongoDB credentials. This vulnerability is due to improper storage of the unencrypted database credentials on the device that is running...

CVE-2024-20320

A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System NCS 540 Series and 5700 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to...

CVE-2024-20436

A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to a null pointer dereference when accessin...

CVE-2024-20467

A vulnerability in the implementation of the IPv4 fragmentation reassembly code in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper management of resources during fragment...