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CVE-2025-9813 — A vulnerability was identified in Tenda CH22 1.0.0.1.

Tenda · Ch22 Firmware · Published 2 Sept 2025 · Modified 26 Sept 2026

Description

A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

References

What to do
  1. Check whether Ch22 Firmware is in your asset inventory.
  2. Patch in the next maintenance window; prioritise internet-facing systems.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2025-9813