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CVE-2026-16348— Command Injection Vulnerability in VPN connection of Archer BE800

Quick assessment

Affected
TP-Link Systems Inc. Archer BE800 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 BE800 V1是中国TP-Link公司的一款高性能无线路由器。 TP-Link Archer BE800 V1 1.4.2 Build 260708之前版本存在命令注入漏洞，该漏洞源于通过VPN连接注入shell元字符，可能导致具有管理员权限的攻击者执行任意系统命令，成功利用可能实现持久后门、凭据窃取、局域网侦察和路由器辅助攻击。

CVSS 8.5 · High EPSS 2.15% · P82

Affected Version Matrix 1

VendorProduct Version RangeStatus
TP-Link Systems Inc. Archer BE800 v1 < 1.4.2 Build 260708 affected
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I. Basic Information for CVE-2026-16348

Vulnerability Information
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Vulnerability Title
Command Injection Vulnerability in VPN connection of Archer BE800
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated command injection vulnerability in TP-Link Archer BE800 V1 allows an attacker with administrative access to execute arbitrary system commands with root privileges by injecting shell metacharacters via a VPN connection.  Successful exploitation may enable persistent backdoors, credential theft, LAN reconnaissance, and router-assisted attacks against connected devices.
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 BE800 V1 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Archer BE800 V1是中国TP-Link公司的一款高性能无线路由器。 TP-Link Archer BE800 V1 1.4.2 Build 260708之前版本存在命令注入漏洞，该漏洞源于通过VPN连接注入shell元字符，可能导致具有管理员权限的攻击者执行任意系统命令，成功利用可能实现持久后门、凭据窃取、局域网侦察和路由器辅助攻击。
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 BE800 v1 0 ~ 1.4.2 Build 260708 -

II. Public POCs for CVE-2026-16348

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III. Intelligence Information for CVE-2026-16348

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Vendor Advisories for CVE-2026-16348 (1)

Same Patch Batch · TP-Link Systems Inc. · 2026-08-24 · 4 CVEs total

CVE-2026-9254 8.7 HIGH Command Injection Vulnerability in Parent Control of Multiple TP-Link Archer Devices
CVE-2026-78541 8.5 HIGH Command Injection in Parent Control of TP-Link Archer BE3600 v1
CVE-2026-15469 7.7 HIGH Hard-coded Mesh Group Private Key in TP-Link Deco XE75, XE5300, and WE10800

IV. Related Vulnerabilities

Same product: Archer BE800 v1
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-78