Cisco SNMP exploit targets IOS and IOS XE devices: What it means for your network
SNMP has always been one of the quiet but crucial components of network management. It helps administrators monitor devices, automate configurations, and keep operations running smoothly. On Sept. 24, 2025, Cisco disclosed a high-severity vulnerability, identified as CVE-2025-20352, affecting the SNMP implementation in its IOS and IOS XE software. This issue allows attackers with valid SNMP credentials to cause a denial of service or execute arbitrary code on the affected devices.