CVE-2026-9105

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.

Score

CVSS 4.0 6.8 Medium

Status

Analyzed - f23511db-6c3e-4e32-a477-6aa17d310630

Published

2026-06-29

Last modified

2026-10-25

Weaknesses

CWE-121, CWE-787

Affected products

• Tl-wr841n Firmware (Tp-link)
• Tl-wr841n V14 (Tp-link Systems Inc.)

References

• https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware
• https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware
• https://www.tp-link.com/us/support/faq/5152/