Description
An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WAGO | 0852-1322 | 0.0.0 – ≤ 2.64, 2.64 | — |
| WAGO | 0852-1328 | 0.0.0 – ≤ 2.64, 2.64 | — |
Advisories 1
- VDE-2026-004 WAGO: Vulnerabilities in Managed Switch CERT@VDE · Feb 9, 2026