Buffer Overflow Vulnerability in TP-Link TL-WR841N Router

CVE-2026-9105

What is CVE-2026-9105?

An authenticated stack-based buffer overflow vulnerability occurs in the web management interface of the TP-Link TL-WR841N v14 router. This flaw allows a remote authenticated attacker to send specially crafted HTTP requests, which can overflow a stack buffer. The result of successful exploitation is a denial-of-service condition, leading to a crash of the affected process and forcing the device to restart. It is essential for users to apply the latest firmware updates to mitigate this issue.

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