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CVE-2026-22228— Improper Input Validation Leading to DoS on TP-Link Archer BE230

Quick assessment

Affected
TP-Link Systems Inc. Archer BE230 v1.2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-Link Archer BE230是中国普联（TP-Link）公司的一款无线路由器。 TP-Link Archer BE230 v1.2 1.2.4 Build 20251218 rel.70420之前版本存在安全漏洞，该漏洞源于还原包含过长参数的特制配置文件，可能导致拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood
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I. Basic Information for CVE-2026-22228

Vulnerability Information
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Vulnerability Title
Improper Input Validation Leading to DoS on TP-Link Archer BE230
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer BE230 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Archer BE230是中国普联（TP-Link）公司的一款无线路由器。 TP-Link Archer BE230 v1.2 1.2.4 Build 20251218 rel.70420之前版本存在安全漏洞，该漏洞源于还原包含过长参数的特制配置文件，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. Archer BE230 v1.2 0 ~ 1.2.4 Build 20251218 rel.70420 -

II. Public POCs for CVE-2026-22228

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III. Intelligence Information for CVE-2026-22228

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Vendor Advisories for CVE-2026-22228 (1)

Same Patch Batch · TP-Link Systems Inc. · 2026-02-03 · 13 CVEs total

CVE-2025-62673 8.6 HIGH Heap-based Buffer Overflow Vulnerability in Archer AX53 and AX12
CVE-2026-22220 Improper Input Validation Leading to DoS on TP-Link Archer BE230
CVE-2026-0620 L2TP over IPSec Encryption Failure on ArcherAXE75
CVE-2025-58455 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-58077 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-59482 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-59487 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-62501 SSH Hostkey Misconfiguration Vulnerability in TP-Link Archer AX53
CVE-2025-62405 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-62404 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-61944 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53
CVE-2025-61983 Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53

IV. Related Vulnerabilities

Same product: Archer BE230 v1.2
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-400

V. Comments for CVE-2026-22228

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