What is CVE-2026-22228?

CVE-2026-22228 is a medium-severity vulnerability in Tp-Link Archer Be230, classified under Uncontrolled Resource Consumption. CVSS score: 4.9/10. Published 2026-02-03.

How severe is CVE-2026-22228?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Resource exhaustion in Tp-Link Archer Be230

CVE-2026-22228

An authenticated user with high privileges may trigger a denial‑of‑service condition in TP-Link Archer BE230 v1.2 by restoring a crafted configuration file containing an excessively long parameter. Restoring such a file can cause the device to become unresponsive, requiring a reboot to restore normal operation. This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.003 (27.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tp-link Archer_be230 — versions 1.20
Tp-link Archer_be230_firmware
Tp-link Systems Inc. Archer Be230 V1.2 — versions 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (Product, patch)
f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-22228?: CVE-2026-22228 is a medium-severity vulnerability in Tp-Link Archer Be230, classified under Uncontrolled Resource Consumption. CVSS score: 4.9/10. Published 2026-02-03.
How severe is CVE-2026-22228?: Medium severity. CVSS v3 base score is 4.9 out of 10.