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IOS and IOS XE vulnerabilities

1 published alerts for Cisco IOS and IOS XE.

Actively exploited (KEV)

CVE-2025-20352

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

Cisco IOS and IOS XE is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-20352). 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, resulting in a DoS condition, or allow a high-privileged attacker to execute arbitrary code as the root user and obtain full control of the affected system. CISA remediation due date: 2025-10-20. If you need help checking exposure, call (864) 335-9223.