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CVE-2024-45890 is a post-authentication OS command-injection vulnerability in the DrayTek Vigor3900 web-management interface, reported in version 1.5.1.3. The flaw is reachable through the mainfunction.cgi handler when the action parameter is set to the download_ovpn operation. Insufficient neutralization of attacker-controlled input permits execution of operating-system commands in the context of the device web service.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
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.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A command injection vulnerability in DrayTek Vigor devices that allows remote attackers to execute arbitrary commands via the mainfunction.cgi interface.
Command-injection vulnerability in DrayTek devices' mainfunction.cgi endpoint leveraged by the Gayfemboy botnet campaign.
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.