Medium 6.8Published Feb 3, 2026

CVE-2026-22220Improper Input Validation Leading to DoS on TP-Link Archer BE230

Updated under an hour ago (Oct 26, 2026, 10:50 PM ET)

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It affects TP-Link Systems Inc. Archer BE230 v1.2 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 BE230 v1.2

Exploited in the last 30 days

A lack of proper input validation in the HTTP processing path in TP-Link Archer BE230 v1.2 (web modules) may allow a crafted request to cause the device’s web service to become unresponsive, resulting in a denial of service condition. A network adjacent attacker with high privileges could cause the device’s web interface to temporarily stop responding until it recovers or is rebooted. This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.

CVSS: 6.8 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-20
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: Feb 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TP-Link Systems Inc. Archer BE230 v1.2 tp_link_systems:archer_be230_v1.2 (from the name)	before 1.2.4 Build 20251218 rel.70420	CNA record
tp-link archer_be230_firmware tp-link:archer_be230_firmware	before 1.2.4	NVD

References

References

https://www.tp-link.com/us/support/download/archer-be230/v1.20/#Firmware	patch, product
https://www.tp-link.com/en/support/download/archer-be230/v1.20/#Firmware	patch, product
https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#Firmware	patch, product
https://www.tp-link.com/us/support/faq/4941/	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.