PatchTheCVE: sigma lite\+ firmwarehttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2023-33222: When handling contactless cards, usage of a specific function to get additional information from the https://patchthecve.com/cve/CVE-2023-33222.htmlhttps://patchthecve.com/cve/CVE-2023-33222.htmlWed, 17 Jun 2026 06:01:20 +0000MEDIUM 6.8: When handling contactless cards, usage of a specific function to get additional information from the card which doesn't check the boundary on the data received while reading. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted devCVE-2023-33221: When reading DesFire keys, the function that reads the card isn't properly checking the boundaries whhttps://patchthecve.com/cve/CVE-2023-33221.htmlhttps://patchthecve.com/cve/CVE-2023-33221.htmlWed, 17 Jun 2026 06:01:20 +0000MEDIUM 6.8: When reading DesFire keys, the function that reads the card isn't properly checking the boundaries when copying internally the data received. This allows a heap based buffer overflow that could lead to a potential Remote Code Execution on the targeted device. This is especially problematiCVE-2023-33220: During the retrofit validation process, the firmware doesn't properly check the boundaries while copyinhttps://patchthecve.com/cve/CVE-2023-33220.htmlhttps://patchthecve.com/cve/CVE-2023-33220.htmlWed, 17 Jun 2026 06:01:20 +0000CRITICAL 9.1: During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted device CVE-2023-33219: The handler of the retrofit validation command doesn't properly check the boundaries when performing certhttps://patchthecve.com/cve/CVE-2023-33219.htmlhttps://patchthecve.com/cve/CVE-2023-33219.htmlWed, 17 Jun 2026 06:01:20 +0000CRITICAL 9.1: The handler of the retrofit validation command doesn't properly check the boundaries when performing certain validation operations. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted device CVE-2023-33218: The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflowhttps://patchthecve.com/cve/CVE-2023-33218.htmlhttps://patchthecve.com/cve/CVE-2023-33218.htmlWed, 17 Jun 2026 06:01:20 +0000CRITICAL 9.1: The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflow. This could potentially lead to a Remote Code execution on the targeted device. CVE-2023-33217: By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a https://patchthecve.com/cve/CVE-2023-33217.htmlhttps://patchthecve.com/cve/CVE-2023-33217.htmlWed, 17 Jun 2026 06:01:20 +0000HIGH 7.5: By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent denial of service for the terminal. the only way to recover the terminal is by sending back the terminal to the manufacturer