Null Pointer Dereference Vulnerability on TL-WR841N_CVE-2025-9014

6.3 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-9014

Source TPLink

Published Jan 15, 2026 at 17:36

Modified Jan 15, 2026 at 18:26

Affected Product

Vendor TP-Link Systems Inc.

Product TL-WR841N v14

Affected Versions TP-Link Systems Inc. TL-WR841N v14 0

CWE Classification

CWE-20

References

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    "description": "A Null Pointer Dereference vulnerability exists in the referer header check of the\u00a0web portal of TP-Link TL-WR841N v14, caused by improper input validation.\u00a0 A remote, unauthenticated attacker can exploit this flaw and\u00a0cause Denial of Service on the web portal service.This issue affects TL-WR841N v14: before 250908.",
    "published": "2026-01-15T17:36:06.139Z",
    "modified": "2026-01-15T18:26:28.154Z",
    "type": "cve",
    "title": "Null Pointer Dereference Vulnerability on TL-WR841N",
    "source": "TPLink",
    "references": "https://www.tp-link.com/us/support/faq/4894/\nhttps://www.tp-link.com/jp/support/download/tl-wr841n/#Firmware\nhttps://www.tp-link.com/en/support/download/tl-wr841n/#Firmware\nhttps://www.tp-link.com/us/support/download/tl-wr841n/#Firmware",
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