CVE-2026-24111

CRITICAL

9.8

Description

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by specifying the value of `userInfo`. When `userInfo` is passed into the `addAuthUser` function and processed by `sscanf` without size validation, it could lead to buffer overflow.

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

Published3/2/2026

Last Modified3/5/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:w20etenda:w20e_firmware

Weaknesses (CWE)

CWE-120CWE-120

References

https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24111(cve@mitre.org)

https://www.tenda.com.cn/material/show/2707(cve@mitre.org)

https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24111(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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