Arbitrary Class Creation Vulnerability in MMP, PTP C-series, and PTMP C-series and A5x Devices

CVE-2022-0138

MMP: All versions prior to v1.0.3, PTP C-series: Device versions prior to v2.8.6.1, and PTMP C-series and A5x: Device versions prior to v2.5.4.1 has a deserialization function that does not validate or check the data, allowing arbitrary classes to be created.

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