CVE-2025-13400: Tenda CH22 WrlExtraGet formWrlExtraGet buffer overflow

Published Nov 19, 2025
·
Updated

A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public 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

Nov 19, 2025
CVE Published
via MITRE·05:02 PM
Data Sourced
via MITRE·05:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 23, 57858
Event
via NVD·07:57 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-13400?

CVE-2025-13400 is classified as a critical severity vulnerability due to potential remote exploitation.

2

How do I fix CVE-2025-13400?

To fix CVE-2025-13400, update the Tenda CH22 firmware to the latest version as recommended by the vendor.

3

What is the impact of CVE-2025-13400 on Tenda CH22 devices?

CVE-2025-13400 could allow an attacker to execute arbitrary code remotely through a buffer overflow.

4

Is CVE-2025-13400 being actively exploited?

Yes, CVE-2025-13400 is publicly known and has been reported to be actively exploited.

5

What specific function is affected by CVE-2025-13400?

CVE-2025-13400 affects the function formWrlExtraGet in the /goform/WrlExtraGet file.

Contact

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