Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Archer Be230 Firmware | < 1.2.4 |
| Tp-Link | Archer Be230 | 1.20 |
Related Weaknesses (CWE)
References
- https://www.tp-link.com/en/support/download/archer-be230/v1.20/#FirmwareProduct
- https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#FirmwareProduct
- https://www.tp-link.com/us/support/download/archer-be230/v1.20/#FirmwareProduct
- https://www.tp-link.com/us/support/faq/4941/Vendor Advisory
FAQ
What is CVE-2026-22220?
CVE-2026-22220 is a vulnerability with a CVSS score of 4.5 (MEDIUM). 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...
How severe is CVE-2026-22220?
CVE-2026-22220 has been rated MEDIUM with a CVSS base score of 4.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-22220?
Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Archer Be230 Firmware, Tp-Link Archer Be230.