CVE-2026-9105 MEDIUM

CVE-2026-9105: Authenticated Stack-Based Buffer Overflow in TP-Link TL-WR841N Web Interface

Vendor Tp-Link Systems Inc.
Product TL-WR841N v14
Weakness CWE-121
Published June 29, 2026
Last update June 29, 2026

CVSS base score

6.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 29, 2026 CVE published
June 29, 2026 Record updated