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CVE-2026-0640

HIGH

8.8

Description

A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

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

Published1/6/2026

Last Modified1/15/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:ac23tenda:ac23_firmware

Weaknesses (CWE)

CWE-119CWE-120CWE-120

References

https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md(cna@vuldb.com)

https://github.com/xyh4ck/iot_poc/blob/main/Tenda%20AC23_Buffer_Overflow/Tenda%20AC23_Buffer_Overflow.md#poc(cna@vuldb.com)

https://vuldb.com/?ctiid.339683(cna@vuldb.com)

https://vuldb.com/?id.339683(cna@vuldb.com)

https://vuldb.com/?submit.731772(cna@vuldb.com)

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

IOC Correlations

No correlations recorded

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