CVE-2025-9014 MEDIUM

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

Vendor Tp-Link Systems Inc.
Product TL-WR841N v14
Weakness CWE-20 · Input validation
Published January 15, 2026
Last update January 15, 2026
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
January 15, 2026 Record updated