Vulnerability details
CVE-2026-22905
WAGO 0852-1322WAGO 0852-1328
Authentication Bypass via URI Traversal
CVSS 3.1
7.5High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (CERTVDE) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| WAGO | 0852-1322 | v ≤ 2.64 | CVEProject cvelistV5 (CNA) |
| WAGO | 0852-1322 | 2.64 | CVEProject cvelistV5 (CNA) |
| WAGO | 0852-1328 | v ≤ 2.64 | CVEProject cvelistV5 (CNA) |
| WAGO | 0852-1328 | 2.64 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-02-09
- Last updated
- 2026-02-09
- State
- Published
- Assigner (CNA)
- CERTVDE
Exploit prediction (EPSS)
0.69%
Probability of exploitation in 30 days
53.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')