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CVE-2026-71992 is a critical OS command injection vulnerability in the macfilter function of MSI Radix AXE6600 router firmware up to and including version v781521. The flaw results from improper neutralization of special elements in input that is incorporated into operating system commands, allowing attacker-controlled data to be concatenated into command execution paths without sufficient validation or escaping. A remote attacker can exploit the vulnerable MAC filtering functionality to execute arbitrary commands on the router's underlying operating system. Successful exploitation leads to execution with root privileges, resulting in full compromise of the device.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
8 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 MAC filtering function of MSI Radix AXE6600 routers, enabling root-level command execution.
A command injection vulnerability in the macfilter function of MSI Radix AXE6600 router firmware v781521 that allows 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.