CVE-2026-89020 MikroTik RouterOS Stack Buffer Overflow via TFTP URL Path

MikroTik RouterOS before 7.23.4 long-term and 7.24.2 stable contains a stack-based buffer overflow vulnerability in the mtget binary's TFTP RRQ builder function that allows authenticated users to crash the mtget worker process by supplying a URL path of 507 bytes or more to the /tool fetch comman...

CVE-2026-89020: Stack-based Buffer Overflow

MikroTik RouterOS before 7.23.4 long-term and 7.24.2 stable contains a stack-based buffer overflow vulnerability in the mtget binary's TFTP RRQ builder function that allows authenticated users to crash the mtget worker process by supplying a URL path of 507 bytes or more to the /tool fetch comman...