Cisco’s Zero-Day Fix: No More Hackers Playing SNMP Hide and Seek!
Cisco fixed a high-severity zero-day vulnerability in its IOS and IOS XE software, tracked as CVE-2025-20352. This flaw, affecting the SNMP subsystem, could let remote attackers trigger a DoS condition or execute root code. Cisco urges users: update now or risk becoming the punchline in a hacker’s joke.

Hot Take:
Looks like Cisco’s zero-day woes have turned into a zero-chill situation! When routers start needing heroics, you know it’s high time for some serious software TLC. Here’s hoping Cisco’s ‘fix-it Felix’ act is enough to patch things up and keep the hackers at bay. After all, nobody likes a network with a crash diet problem!
Key Points:
- Cisco patched a high-severity zero-day vulnerability in IOS and IOS XE Software.
- The flaw, CVE-2025-20352, exploits the SNMP subsystem, allowing potential DoS or root code execution.
- Attackers need SNMP credentials to exploit the vulnerability.
- No workarounds are available; upgrading to fixed software is recommended.
- Restricting SNMP access to trusted users is suggested as a temporary measure.
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