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CVE-2025-5514 is an improper handling of length parameter inconsistency vulnerability in the web server function of Mitsubishi Electric MELSEC iQ-F Series CPU modules. A remote, unauthenticated attacker can send a specially crafted HTTP request that triggers abnormal processing delays in the embedded web server function, resulting in denial of service to legitimate users of that web interface. Based on the provided description, the issue is associated with inconsistent handling of a length parameter during HTTP request processing.
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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.
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.
5 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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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.