CVE-2026-24108
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper size validation, it could lead to a buffer overflow vulnerability.
Analysis
Tenda W20E has a buffer overflow — second of eight critical vulnerabilities in this router firmware.
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Remediation
Within 24 hours: Identify all Tenda W20E V4.0br_V15.11.0.6 devices in your network inventory and isolate affected units from production environments where possible. Within 7 days: Implement network segmentation to restrict access to these devices, disable remote management features, and establish enhanced monitoring for suspicious traffic. …
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External POC / Exploit Code
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