CVE-2025-9443: Tenda CH22 editUserName formeditUserName buffer overflow

Published Aug 26, 2025
·
Updated

A flaw has been found in Tenda CH22 1.0.0.1. This vulnerability affects the function formeditUserName of the file /goform/editUserName. Executing manipulation of the argument newaccount can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Affected Software

3 affected components
Tenda CH22
All of the following
Tenda Ch22 Firmware=1.0.0.1
Tenda CH22

Event History

Aug 26, 2025
CVE Published
via MITRE·02:32 AM
Data Sourced
via MITRE·02:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Feb 28, 57989
Event
via FIRST·05:39 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9443?

CVE-2025-9443 is considered a high severity vulnerability due to the potential for remote exploitation and buffer overflow.

2

How do I fix CVE-2025-9443?

To fix CVE-2025-9443, users should update the Tenda CH22 firmware to the latest version that contains the security patch.

3

What systems are affected by CVE-2025-9443?

CVE-2025-9443 specifically affects the Tenda CH22 router running version 1.0.0.1.

4

What type of vulnerability is CVE-2025-9443?

CVE-2025-9443 is a buffer overflow vulnerability that can be exploited through remote command injection.

5

Can CVE-2025-9443 be exploited remotely?

Yes, CVE-2025-9443 can be exploited remotely by manipulating the new_account argument in the editUserName function.

Contact

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