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Medium · 6.8 CVE-2026-9105 EUVD-2026-40136GHSA-whjh-xgqc-hvvf

Authenticated Stack-Based Buffer Overflow in TP-Link TL-WR841N Web Interface

Published Jun 29, 2026 · Updated Jun 29, 2026 · Assigned by TPLink

Description

An authenticated stack-based buffer overflow vulnerability exists in the web management interface of TP-Link TL-WR841N v14. A remote authenticated attacker can send crafted HTTP requests to cause the embedded web server to overflow a stack buffer, resulting in a crash of the affected process.

Successful exploitation results in a denial-of-service condition, causing the device to crash and automatically reboot.

Affected products

VendorProductAffectedFixed
TP-Link Systems TL-WR841N v14 < V14_260518 V14_260518

References