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.
Published: 2026-01-15
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 30 Jan 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link tl-wr841n Firmware
Weaknesses CWE-476
CPEs cpe:2.3:h:tp-link:tl-wr841n:14:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tp-link tl-wr841n Firmware
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Fri, 16 Jan 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tl-wr841n
Tp-link wr841n
Vendors & Products Tp-link
Tp-link tl-wr841n
Tp-link wr841n

Thu, 15 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 15 Jan 2026 18:00:00 +0000

Type Values Removed Values Added
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.
Title Null Pointer Dereference Vulnerability on TL-WR841N
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 6.3, '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'}


Subscriptions

Tp-link Tl-wr841n Tl-wr841n Firmware Wr841n
cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published:

Updated: 2026-01-15T18:26:28.154Z

Reserved: 2025-08-13T20:37:44.320Z

Link: CVE-2025-9014

cve-icon Vulnrichment

Updated: 2026-01-15T18:03:36.822Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-15T18:16:38.100

Modified: 2026-01-30T20:42:05.277

Link: CVE-2025-9014

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-16T13:43:02Z

Weaknesses