Exploit / PoCcritical
Hackers used Cisco zero-day to plant rootkits on network switches (CVE-2025-20352)
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2017-3881 | Unauthenticated RCE in Cisco IOS/IOS XE switches via malformed CMP Telnet options | 9.8 | 99% | KEVPoC | KEV |
| CVE-2025-20352 | SNMP Stack Buffer Overflow in Cisco IOS and IOS XE Enables DoS and Root RCE | 7.7 | 42% | KEV | KEV |
From the original article
2 min read at helpnetsecurity.com
Threat actors have leveraged a recently patched IOS/IOS XE vulnerability (CVE-2025-20352) to deploy Linux rootkits on vulnerable Cisco network devices. “The operation targeted victims running older Linux systems that do not have endpoint detection response solutions,” Trend Micro researchers shared.
By @zeljkazorz · helpnetsecurity.com
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