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CVE-2025-8939

HIGH

8.8

Description

A vulnerability was determined in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/WifiGuestSet. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

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

Published8/14/2025

Last Modified8/19/2025

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:ac20tenda:ac20_firmware

Weaknesses (CWE)

CWE-119CWE-120

References

https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.md(cna@vuldb.com)

https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.md#3-poc(cna@vuldb.com)

https://vuldb.com/?ctiid.319902(cna@vuldb.com)

https://vuldb.com/?id.319902(cna@vuldb.com)

https://vuldb.com/?submit.631829(cna@vuldb.com)

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

https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.md(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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