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CVE-2026-4252

CRITICAL

9.8

Description

A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/16/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:ac8tenda:ac8_firmware

Weaknesses (CWE)

CWE-287CWE-291

References

https://github.com/digitalandrew/tenda_ac8_v5/blob/main/poc_ipv6_auth_bypass.py(cna@vuldb.com)

https://vuldb.com/?ctiid.351210(cna@vuldb.com)

https://vuldb.com/?id.351210(cna@vuldb.com)

https://vuldb.com/?submit.771759(cna@vuldb.com)

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

IOC Correlations

No correlations recorded

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