CVE-2025-9014

Null Pointer Dereference Vulnerability on TL-WR841N

HIGH
7.5
CVSS Score
Published: January 15, 2026 at 05:36 PM UTC
Updated: June 17, 2026 at 10:08 AM UTC
1 product affected across 1 vendorTL-WR841N

Using TL-WR841N v14 by TP-Link Systems Inc.?

Get instant alerts when new vulnerabilities affect TL-WR841N v14 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 250908
Affected range stops below 250908, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card