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CVE-2025-9014

HIGH

7.5

Description

A Null Pointer Dereference vulnerability exists in the referer header check of the web portal of TP-Link TL-WR841N v14, caused by improper input validation. A remote, unauthenticated attacker can exploit this flaw and cause Denial of Service on the web portal service.This issue affects TL-WR841N v14: before 250908.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/15/2026

Last Modified1/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tp-link:tl-wr841ntp-link:tl-wr841n_firmware

Weaknesses (CWE)

CWE-20CWE-476

References

https://www.tp-link.com/en/support/download/tl-wr841n/#Firmware(f23511db-6c3e-4e32-a477-6aa17d310630)

https://www.tp-link.com/jp/support/download/tl-wr841n/#Firmware(f23511db-6c3e-4e32-a477-6aa17d310630)

https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware(f23511db-6c3e-4e32-a477-6aa17d310630)

https://www.tp-link.com/us/support/faq/4894/(f23511db-6c3e-4e32-a477-6aa17d310630)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.