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CVE-2026-57909 is a path traversal vulnerability in WatchGuard Agent for Windows versions earlier than 1.25.13.0000. An unauthenticated attacker located on an adjacent network can exploit the flaw to execute arbitrary code on an affected system. The vulnerability is also associated with missing authentication for critical functionality (CWE-306).
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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.
If you can’t patch tonight, do this now.
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.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical path-traversal vulnerability in WatchGuard Agent for Windows. An unauthenticated attacker on an adjacent network can remotely execute arbitrary code, potentially causing complete loss of confidentiality, integrity, and availability of the affected endpoint-protection component.
A critical path-traversal vulnerability in WatchGuard Agent for Windows that enables unauthenticated remote code execution from an adjacent network.
A path traversal vulnerability in WatchGuard Agent that allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on affected Windows systems.
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.