Medium severity · published Feb 3, 2026
CVE-2026-22228
Improper Input Validation Leading to DoS on TP-Link Archer BE230
4.9
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AB
Archer BE230 v1.2 · TP-Link Systems Inc.
before 1.2.4 Build 20251218 rel.70420 · source: vendor
AB
Archer Be230 Firmware · Tp-link
before 1.2.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22228
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22228
Product
https://www.tp-link.com/en/support/download/archer-be230/v1.20/#Firmware
Product
https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#Firmware
Product
https://www.tp-link.com/us/support/download/archer-be230/v1.20/#Firmware
Vendor Advisory
https://www.tp-link.com/us/support/faq/4941/
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