CVE-2026-24111

9.8 criticalEPSS 0.7%

Critical (9.8) in tenda w20e firmware. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2026-03-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenda:w20e_firmware

References

https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24111
https://www.tenda.com.cn/material/show/2707
https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24111

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