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CVE-2026-24115 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: March 3, 2026

Tenda W20E - Buffer Overflow

Published: March 2, 2026Updated: March 3, 2026PoC AvailableRemote Exploitable

Overview

Tenda W20E V4.0br_V15.11.0.6 contains a buffer overflow caused by failure to validate sizes of 'gstup' and 'gstdwn' before concatenation into 'gstruleQos', letting attackers cause memory corruption remotely, exploit requires network access.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Attackers can cause memory corruption leading to potential remote code execution or device crash.

Mitigation

Update to the latest firmware version.

References

https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24115
https://www.tenda.com.cn/material/show/2707

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Details

CVE ID: CVE-2026-24115
Severity: Critical
CVSS Score: 9.8
Type: buffer_overflow
Status: confirmed

CWE

CWE-120

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H