# CVE-2025-12234: A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function fromSafeMacFilter of the file…

Source: https://junglewise.ai/threats/cve-2025-12234-a-vulnerability-has-been-found-in-tenda-ch22-1-0-0-1-this-affects  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-27  
License: CC BY 4.0 with a link back

CVE-2025-12234 · Severity: high · CVSS 8.8 · Published 2025-10-27

A vulnerability has been found in Tenda CH22 1.0.0.1. This affects the function fromSafeMacFilter of the file /goform/SafeMacFilter. The manipulation of the argument page leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Technologies: [Tenda CH22](https://junglewise.ai/threats/technologies/ch22), [Tenda Ch22 Firmware](https://junglewise.ai/threats/technologies/ch22-firmware). Vendors: [Tenda](https://junglewise.ai/threats/vendors/tenda).

## Quick answers

**Is CVE-2025-12234 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-12234 being exploited in the wild.

**How severe is CVE-2025-12234?** High severity, with a CVSS score of 8.8, published 27 October 2025.

**Which products and versions are affected?** Tenda CH22, Tenda Ch22 Firmware. The advisory does not name versions.

**Is there a fix for CVE-2025-12234?** 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-2025-12234?** Check whether you run Tenda CH22 or Tenda Ch22 Firmware. 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

- Tenda CH22
- Tenda Ch22 Firmware

## Related threats

- [Tenda CH22 command injection in formexeCommand](https://junglewise.ai/threats/cve-2026-78141-tenda-ch22-command-injection-in-formexecommand)
- [Tenda CH22 command injection in editFileName](https://junglewise.ai/threats/cve-2026-78063-tenda-ch22-command-injection-in-editfilename)
- [Tenda CH22 command injection in formcreateFileName](https://junglewise.ai/threats/cve-2026-77031-tenda-ch22-command-injection-in-formcreatefilename)
- [Tenda CH22 buffer overflow in formCertListInfo](https://junglewise.ai/threats/cve-2026-15543-tenda-ch22-buffer-overflow-in-formcertlistinfo)
- [A vulnerability was detected in Tenda CH22 1.0.0.6(468). This issue affects the function R7WebsSecurityHandlerfunction…](https://junglewise.ai/threats/cve-2026-5962-a-vulnerability-was-detected-in-tenda-ch22-1-0-0-6-468-this-issue)