Vulnerability · Published Feb 3, 2026 · Assigned by TPLink
CVE-2026-22220Improper Input Validation Leading to DoS on TP-Link Archer BE230
Medium 6.8
In plain English
A medium-severity improper input validation in Archer BE230 v1.2 from TP-Link Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | Archer BE230 v1.2 | 0 – before 1.2.4 Build 20251218 rel.70420 |
Weakness: CWE-20 · Vector: 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