CVE-2026-24109

CRITICAL

Tenda W20E V4.0br_V15.11.0.6 - Buffer Overflow

Title source: llm
STIX 2.1

Description

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `picName`. When this value is used in `sprintf` without validating variable sizes, it could lead to a buffer overflow vulnerability.

Scores

CVSS v3 9.8
EPSS 0.0008
EPSS Percentile 23.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-120
Status published
Products (1)
tenda/w20e_firmware 15.11.0.6
Published Mar 02, 2026
Tracked Since Mar 02, 2026