CVE-2025-20352 — Actively Exploited: IOS and IOS XE (Cisco)
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 cond
| CVE ID | CVE-2025-20352 |
|---|---|
| Vendor | Cisco |
| Product | IOS and IOS XE |
| Vulnerability name | Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability |
| Date added | 2025-09-29 |
| Remediation due | 2025-10-20 |
| Known ransomware use | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
| Description | 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 |
| Source | CISA Known Exploited Vulnerabilities |
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