CVE-2025-9014

HIGH
2026-01-15 f23511db-6c3e-4e32-a477-6aa17d310630
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Jan 30, 2026 - 20:42 nvd
Patch available
CVE Published
Jan 15, 2026 - 18:16 nvd
HIGH 7.5

Tags

TP-Link Null Pointer Dereference Denial Of Service Tl Wr841n Firmware

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.

Analysis

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. [CVSS 7.5 HIGH]

Technical Context

Classified as CWE-20 (Improper Input Validation). Affects Tl-Wr841N Firmware. 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 Products

Vendor: Tp-Link. Product: Tl-Wr841N Firmware.

Remediation

A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: 0

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CVE-2025-9014 vulnerability details – vuln.today
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