# CVE-2025-41732: An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_cookie() function to write arbitrary…

Source: https://junglewise.ai/threats/cve-2025-41732-an-unauthenticated-remote-attacker-can-abuse-unsafe-sscanf-calls  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-10  
License: CC BY 4.0 with a link back

CVE-2025-41732 · Severity: critical · CVSS 9.8 · Published 2025-12-10

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.

Vendors: [Wago](https://junglewise.ai/threats/vendors/wago).

## Quick answers

**Is CVE-2025-41732 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-41732 being exploited in the wild.

**How severe is CVE-2025-41732?** Critical severity, with a CVSS score of 9.8, published 10 December 2025.

**Which products and versions are affected?** Wago 0852-1322, Wago 0852-1322 Firmware, Wago 0852-1328, Wago 0852-1328 Firmware. The advisory does not name versions.

**Is there a fix for CVE-2025-41732?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-41732?** Check whether you run Wago 0852-1322, Wago 0852-1322 Firmware, Wago 0852-1328 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Wago 0852-1322
- Wago 0852-1322 Firmware
- Wago 0852-1328
- Wago 0852-1328 Firmware

## Related threats

- [An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_account() function to write…](https://junglewise.ai/threats/cve-2025-41730-an-unauthenticated-remote-attacker-can-abuse-unsafe-sscanf-calls)