Cisco warns of SD-WAN Manager exploitation, fixes 48 firewall vulnerabilities
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-20079 | Authentication bypass to root access in Cisco Secure Firewall Management Center | 10.0 | 89% | KEVPoC ×2 | KEV |
| CVE-2026-20122 | Arbitrary File Overwrite via Privileged APIs in Cisco Catalyst SD-WAN Manager | 5.4 | 26% | KEV | KEV |
| CVE-2026-20127 | Authentication Bypass in Cisco Catalyst SD-WAN Controller, Manager, Validator | 10.0 | 89% | KEV | KEV |
| CVE-2026-20128 | DCA Password File Disclosure in Cisco Catalyst SD-WAN Manager | 7.5 | 7% | KEV | KEV |
| CVE-2026-20131 | Unauthenticated Java Deserialization RCE in Cisco FMC and SCC | 10.0 | 44% | KEVRansomwarePoC | KEV |
From the original article
2 min read at helpnetsecurity.com
Cisco has confirmed that two Catalyst SD-WAN Manager vulnerabilities (CVE-2026-20128 and CVE-2026-20122) patched in late February 2025 are being exploited by attackers.
By @zeljkazorz · helpnetsecurity.com
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