High 7.1Published Jan 6, 2026

CVE-2025-14631Null Pointer Dereference Vulnerability in Malformed 802.11 Frame of TP-Link Archer BE400

Updated under an hour ago (Oct 27, 2026, 2:23 PM ET)

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It affects TP-Link Systems Inc. Archer BE400 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for TP-Link Systems Inc. Archer BE400

Exploited in the last 30 days

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: 7.1 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: TPLink
NVD analysis: Analyzed
Record last updated: Jan 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link Systems Inc. Archer BE400 tp_link_systems:archer_be400 (from the name)	through 1.1.0 Build 20250710 rel.14914	CNA record
tp-link archer_be400_firmware tp-link:archer_be400_firmware	through 1.1.0	NVD

References

References

https://www.tp-link.com/en/support/download/archer-be400/v1/#Firmware	patch, product
https://www.tp-link.com/us/support/download/archer-be400/#Firmware	patch, product
https://www.tp-link.com/us/support/faq/4871/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.