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CVE-2022-24946 affects multiple Mitsubishi Electric industrial control products, including MELSEC iQ-R Series R12CCPU-V, numerous MELSEC-Q and MELSEC-L CPU modules, and the MELIPC MI5122-VW, within the firmware and serial-number ranges specified by the vendor. The primary published characterization is an improper resource locking issue (CWE-413) in the affected products' Ethernet communication handling. A remote unauthenticated attacker can send specially crafted packets to trigger the flaw and cause Ethernet communications to stop functioning. Recovery requires a system reset or restart of the affected product. The supplied source material also notes that an advisory technical description referenced a stack-based buffer overflow and possible remote arbitrary code execution; however, the consistent impact described across the provided content for CVE-2022-24946 is denial of service in Ethernet communications, so code-execution details remain uncertain based on the available information.
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Cross-references every affected SKU, including bundled OEM variants.
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