Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability

Cisco IOS and IOS XE contains a stack-based buffer overflow vulnerability in the Simple Network Management Protocol SNMP subsystem that could allow for denial of service or remote code execution. A successful exploit could allow a low-privileged attacker to cause the affected system to reload,...

CVE-2025-20352

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow the following: An authenticated, remote attacker with low privileges could cause a denial of service DoS condition on an affected device that is running Cisco IOS...

CVE-2025-20175

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 Software SNMP DoS (cisco-sa-snmp-dos-sdxnSUcW)

According to its self-reported version, Cisco IOS is affected by multiple vulnerabilities. - 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 du...

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-2025-20171

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-2025-20169

Cisco IOS/IOS XE/IOS XR SNMP DoS: Improper error handling when parsing SNMP requests can cause a device reload or SNMP reset, enabling authenticated remote DoS (SNMP v1/v2c/v3; credentials may be required for v3). Affected: SNMP subsystem; impact: high availability DoS. CVE-2025-20169 (and relate...

CVE-2025-20169

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-2025-20169

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-2025-20175

CVE-2025-20175 describes a DoS vulnerability in the SNMP subsystem of Cisco IOS Software, IOS XE, and IOS XR caused by improper error handling when parsing SNMP requests. An authenticated, remote attacker can exploit this by sending a crafted SNMP request, potentially forcing the device to reload...

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-2025-20174

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-2025-20171

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-2025-20176

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...

PT-2025-5716 · Cisco · Cisco Ios Xe +2

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software versions prior to the fixed version Cisco IOS XE Software versions prior to the fixed version Cisco IOS XR Software affected versions not specified Description: A vulnerability in the SNMP subsystem could allow an...

VulnCheck KEV: CVE-2017-6742

The Simple Network Management Protocol SNMP subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload...

SUSE: Security Advisory (SUSE-SU-2016:2089-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2015:1983-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Juniper Junos SNMP MIB-II Subagent Daemon (mib2d) Unspecified Remote DoS (JSA10847)

According to its self-reported version number and configuration, the remote Juniper Junos device is affected by an unspecified flaw in the SNMP MIB-II subagent daemon, mib2d, that allows a remote attacker to cause the daemon to crash, resulting in a denial of service for the SNMP subsystem. No...