CVE-2025-14631

Unknown Unknown - Not Provided

NULL Pointer Dereference in TP-Link Archer BE400 Causes DoS

Publication date: 2026-01-07

Last updated on: 2026-03-12

Assigner: TPLink

Description

A NULL Pointer Dereference vulnerability in TP-Link Archer BE400 V1(802.11 modules) allows an adjacent attacker to cause a denial-of-service (DoS) by triggering a device reboot. This issue affects Archer BE400: xi 1.1.0 Build 20250710 rel.14914.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-07

Last Modified

2026-03-12

Generated

2026-07-27

AI Q&A

2026-01-07

EPSS Evaluated

2026-07-25

NVD

CVE-2025-14631

EUVD

EUVD-2026-1301

Affected Vendors & Products

Vendor	Product	Version / Range
tp-link	archer_be400_firmware	to 1.1.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a NULL Pointer Dereference in the TP-Link Archer BE400 V1 802.11 modules. It allows an adjacent attacker to cause a denial-of-service (DoS) by triggering a device reboot.

Impact Analysis

The vulnerability can impact you by causing a denial-of-service condition on the affected device, resulting in the device rebooting unexpectedly and potentially disrupting network connectivity or services relying on the device.

Mitigation Strategies

To mitigate the CVE-2025-14631 vulnerability, you should immediately update your TP-Link Archer BE400 V1 router to the latest firmware version available from TP-Link's official support pages. Applying the latest firmware will fix the NULL Pointer Dereference issue that allows an adjacent attacker to cause a denial-of-service by triggering device reboots. Failure to update leaves the device vulnerable to DoS attacks. [2]

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