CVE-2022-4873 (nf20_firmware, nf20mesh_firmware, nl1902_firmware)

On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.

application buffer buffer overflow crashes cve location netcomm overflow parameter router