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CVE-2025-41736 is a high-severity path traversal vulnerability affecting METZ CONNECT EWIO2 devices, including EWIO2-M, EWIO2-M-BM, and EWIO2-BM, running firmware versions earlier than 2.2.0. The flaw exists in a PHP-based file upload mechanism where the target filename is not properly constrained, allowing a low-privileged remote attacker to manipulate the upload path via path traversal. By supplying a crafted filename, the attacker can upload a new Python script to an unintended location or overwrite an existing Python script on the device. Because the device executes Python scripts in its operational environment, this can be leveraged to achieve remote code execution on the affected system.
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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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.