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

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, Tenda Ch22 Firmware. 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

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