CVE-2026-24115

PoC —

CVSS 3.1

9.8 critical

EPSS

<1%p51

Published

Mar 2, 2026 (Mar 2, 2026)

Modified

Jun 17, 2026

Description

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.

Vendors: tenda
Products: w20e firmware
Weakness: CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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