CVE-2026-22905
High
Description
An unauthenticated remote attacker can bypass authentication by exploiting insufficient URI validation and using path traversal sequences (e.g., /js/../cgi-bin/post.cgi), gaining unauthorized access to protected CGI endpoints and configuration downloads.
SeverityHigh
CVSS7.5
Exploit probability—
ProductWago 0852-1322
PublishedFeb 9, 2026
First seenFeb 9, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WAGO 0852-1322 | v ≤ 2.64, 2.64 | — |
| WAGO 0852-1328 | v ≤ 2.64, 2.64 | — |
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