VULNERABILITY INTELLIGENCE

CVE-2026-24110

CVSS score9.8 CRITICAL
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-03-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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`.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-120

Primary references