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CVE-2026-9151— Command Injection Vulnerability in OpenVPN on Multiple TP-Link Archer Routers

Quick assessment

Affected
TP-Link Systems Inc. Archer AX12 V1
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是中国普联（TP-LINK）公司的一系列路由器。 TP-LINK Archer存在操作系统命令注入漏洞，该漏洞源于VPN模块中特殊字符过滤不当，可能导致相邻的已认证攻击者通过导入特制VPN客户端配置文件执行任意命令。以下产品及版本受到影响：TP-Link Archer AX12 v1、AX17 v1、AX18 v1和AX1300 v1.6版本。

AI Predicted 8.8 Difficulty: Moderate EPSS 1.07% · P65

Affected Version Matrix 4

VendorProduct Version RangeStatus
TP Link Systems Inc. Archer AX17 v1 < V1_1.5.0 Build 20260605 affected
TP-Link Systems Inc. Archer AX12 V1 < V1_1.5.0 Build 20260605 affected
TP-Link Systems Inc. Archer AX1300 v1.6 < V1_1.5.0 Build 20260605 affected
TP-Link Systems Inc. Archer AX18 v1 < V1_1.5.0 Build 20260605 affected
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I. Basic Information for CVE-2026-9151

Vulnerability Information
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Vulnerability Title
Command Injection Vulnerability in OpenVPN on Multiple TP-Link Archer Routers
Source: CVE Program / CVE List V5
Vulnerability Description
An OS command injection vulnerability exists in the VPN module of TP-Link Archer AX12 v1, AX17 v1. AX18 v1, and AX1300 v1.6 routers. This vulnerability allows an adjacent, authenticated attacker to execute arbitrary commands on the device by importing a specially crafted VPN client configuration file. The issue stems from improper filtering of special characters.  Successful exploitation of this vulnerability may enable an attacker to gain full control of the affected device, potentially compromising configuration integrity, network security, and service availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TP-LINK Archer 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK Archer是中国普联（TP-LINK）公司的一系列路由器。 TP-LINK Archer存在操作系统命令注入漏洞，该漏洞源于VPN模块中特殊字符过滤不当，可能导致相邻的已认证攻击者通过导入特制VPN客户端配置文件执行任意命令。以下产品及版本受到影响：TP-Link Archer AX12 v1、AX17 v1、AX18 v1和AX1300 v1.6版本。
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 AX12 V1 0 ~ V1_1.5.0 Build 20260605 -
TP-Link Systems Inc. Archer AX18 v1 0 ~ V1_1.5.0 Build 20260605 -
TP Link Systems Inc. Archer AX17 v1 0 ~ V1_1.5.0 Build 20260605 -
TP-Link Systems Inc. Archer AX1300 v1.6 0 ~ V1_1.5.0 Build 20260605 -

II. Public POCs for CVE-2026-9151

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III. Intelligence Information for CVE-2026-9151

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Vendor Advisories for CVE-2026-9151 (1)

Vendor Pages for CVE-2026-9151 (2)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-78