Cisco’s SNMP Snafu: A Comedy of Errors in Network Security!
Cisco has identified a high-severity flaw in IOS and IOS XE Software that may let remote attackers cause chaos or hijack systems. The problem lies in SNMP, a protocol so simple it forgot to lock the door! With a CVSS score of 7.7, it’s the security equivalent of stepping on a LEGO.
Hot Take:
Oh Cisco, not again! Just when you thought it was safe to go back to network management, a wild high-severity flaw appears! Hackers are on the prowl, ready to turn your precious devices into their own cyber puppet show. Time to patch up those networks because it’s open season for anyone with a SNMP packet and a dream!
Key Points:
- Cisco warns of a high-severity vulnerability in IOS Software and IOS XE Software, marked CVE-2025-20352.
- The flaw allows remote attackers to execute arbitrary code or trigger a DoS condition.
- It exploits the SNMP subsystem via a stack overflow condition.
- All SNMP versions are affected, including Meraki MS390 and Cisco Catalyst 9300 Series Switches.
- No definitive workarounds exist, but mitigations include limiting SNMP access to trusted users.
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