Vulnerability · Published Dec 10, 2025 · Assigned by CERTVDE
CVE-2025-41732Stack-based buffer overflow via unsafe sscanf in check_cookie()
Critical 9.8
In plain English
A critical-severity stack buffer overflow in Indsutrial-Managed-Switches from WAGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 62.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_cookie() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WAGO | Indsutrial-Managed-Switches | 0.0.0 – before 02.64 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H