TP-Link Archer BE230 v1.2 up to 1.2.3 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in TP-Link Archer BE230 v1.2 up to 1.2.3 and classified as problematic. This vulnerability affects unknown code. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2026-22220. The attack must be carried out from within the local network. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in TP-Link Archer BE230 v1.2 up to 1.2.3 and classified as problematic. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

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.

The weakness was presented by zeix. The advisory is available at tp-link.com. This vulnerability is handled as CVE-2026-22220 since 01/06/2026. The exploitation is known to be easy. The attack needs to be initiated within the local network. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.2.4 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Archer BE230 v1.2 1.2.4

Timelineinfo

01/06/2026 CVE reserved
02/03/2026 +28 days Advisory disclosed
02/03/2026 +0 days VulDB entry created
02/14/2026 +11 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: tp-link.com
Researcher: zeix
Status: Confirmed

CVE: CVE-2026-22220 (🔒)
GCVE (CVE): GCVE-0-2026-22220
GCVE (VulDB): GCVE-100-344138

Entryinfo

Created: 02/03/2026 21:29
Updated: 02/14/2026 04:47
Changes: 02/03/2026 21:29 (67), 02/14/2026 04:47 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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