Cisco IOS Software SNMP Remote Code Execution Vulnerability
CISA lists this Cisco IOS software vulnerability as known exploited. The vendor's advisory has the fixed versions.
CISA catalog record
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 1 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. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6.
- Product
- IOS software
- Added to KEV
- 3 Mar 2022
- Federal remediation due
- 24 Mar 2022
- Known ransomware use
- Not reported
What changed
First observed 14 Oct 2026No field changes in the recorded history.
Cite this recorded revision to keep the same title, summary, facts and links when the page changes.
A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.