CVE-2026-24110

CRITICAL

9.8

Description

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex, dhcpsIP, dhcpsMac);`, the lack of size validation for the rules could lead to buffer overflows in `dhcpsIndex`, `dhcpsIP`, and `dhcpsMac`.

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 Modified3/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:w20etenda:w20e_firmware

Weaknesses (CWE)

CWE-120

References

https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24110(cve@mitre.org)

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

IOC Correlations

No correlations recorded

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