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CVE-2026-16348 is a high-severity authenticated operating system command injection vulnerability affecting the VPN connection functionality of TP-Link Archer BE800 V1 routers. The flaw allows an attacker with administrative access to inject shell metacharacters through VPN-related input that is insufficiently neutralized before being passed to the underlying system. Successful exploitation results in arbitrary system command execution with root privileges on the device, creating a path to full compromise of the router.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository is a small standalone Python proof-of-concept exploit for CVE-2026-16348 affecting TP-Link Archer BE800 V1. It contains one main code file (CVE-2026-16348.py), a README, and a license. The Python script is a complete authenticated RCE exploit rather than a detector: it implements the router’s proprietary login/session workflow, including cookie handling, RSA/AES-based request encryption, request signing, and authenticated API communication to the LuCI CGI interface. After authentication, it clears existing VPN entries, abuses the vulnerable VPN server key field to inject shell commands, and exposes an interactive shell-like interface. Output is returned through an attacker-supplied callback listener (lhost/lport), indicating the exploit is operational and usable for post-auth command execution. The exploit targets a web/network attack surface on the router management interface and requires valid admin credentials. The README documents the root cause: insufficient filtering in the VPN key field allows shell command substitution operators, leading to execution via /bin/sh -c in the VPN management backend.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authenticated command injection vulnerability in the VPN connection functionality of TP-Link Archer BE800 V1 routers that requires administrator access and can enable root-level command execution.
An authenticated command injection vulnerability in the VPN connection functionality of TP-Link Archer BE800 V1 that can allow arbitrary system command execution with root privileges.
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Cross-references every affected SKU, including bundled OEM variants.
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