CVE-2025-9014 Null Pointer Dereference Vulnerability on TL-WR841N

Medium 6.3 Published Updated

A remote unauthenticated attacker can cause a denial of service on the web portal of TP-Link TL-WR841N routers due to a null pointer dereference.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-9014?

CVE-2025-9014 is a medium-severity vulnerability in TP-Link Systems Inc. TL-WR841N v14, published on 15 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-476, CWE-20

Which versions are affected by CVE-2025-9014?

It affects 1 product.

Products include Tp-Link Tl-Wr841n Firmware.

How do I fix CVE-2025-9014?

No fix has been published for CVE-2025-9014 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-9014 being exploited?

There is no known exploitation of CVE-2025-9014 in the wild and no public exploit code.

Sources

Also known as GHSA-fg67-2rcj-c4j8.

Is CVE-2025-9014 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free