Cisco patches another actively exploited SD-WAN zero-day (CVE-2026-20182)
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2022-20775 | Path Traversal Privilege Escalation in Cisco SD-WAN Software CLI | 7.8 | 12% | KEVPoC | 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-2026-20133+1 related CVE | Actively Exploited Information Disclosure in Cisco Catalyst SD-WAN Manager | 7.5 | 31% | KEV | KEV |
| CVE-2026-20182 | Authentication Bypass in Cisco Catalyst SD-WAN Control Components | 10.0 | 92% | KEV | KEV |
CVE-2026-20224+2 related CVEs | A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary… | 8.6 group max | 1% |
From the original article
3 min read at helpnetsecurity.com
Cisco has patched yet another Catalyst SD-WAN Controller authentication bypass vulnerability (CVE-2026-20182) that has been exploited as a zero-day by “a highly sophisticated cyber threat actor”.
By @zeljkazorz · helpnetsecurity.com
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