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CVE-2025-9791

HIGH

8.8

Description

A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published9/1/2025

Last Modified9/4/2025

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:ac20tenda:ac20_firmware

Weaknesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md(cna@vuldb.com)

https://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md#poc(cna@vuldb.com)

https://vuldb.com/?ctiid.322106(cna@vuldb.com)

https://vuldb.com/?id.322106(cna@vuldb.com)

https://vuldb.com/?submit.641088(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

https://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md#poc(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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