CVE-2026-24111 - Vulnerability Analysis

Overview

Tenda W20E V4.0br_V15.11.0.6 contains a buffer overflow caused by unchecked size validation in sscanf processing of userInfo in addAuthUser function, letting attackers execute arbitrary code remotely, exploit requires crafted userInfo input.

Severity & Score

Impact

Attackers can execute arbitrary code remotely, potentially leading to full system compromise.

Mitigation

Update to the latest version.

References

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

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 3, 2026

🔴 CVE-2026-24111 - Critical (9.8) 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... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-24111/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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