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CVE-2026-71993 is a command injection vulnerability affecting MSI Radix AXE6600 router firmware up to and including version v781521. The flaw is reported in the firmware's openvpn function, with exploitation occurring via the macfilter function, which can be abused to inject attacker-controlled commands into system-level command execution. Because the injected commands are executed on the router's underlying operating system, a remote attacker can achieve arbitrary command execution on the device. Available reporting indicates successful exploitation can result in execution with root privileges.
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No public exploit code observed for this vulnerability.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical unauthenticated remote OS command injection vulnerability in the OpenVPN configuration function of MSI Radix AXE6600 routers, enabling root-level command execution.
A command injection vulnerability in MSI Radix AXE6600 router firmware v781521, in the openvpn function, allowing remote attackers to execute arbitrary commands and gain root privileges.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.