CVE-2026-67673

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

A stack-based buffer overflow vulnerability exists in the cmd_edl function of OreSat Firmware v1.0. The vulnerability is triggered when processing the edl fw_flash command, where the <filename> argument is copied to a 64-byte stack buffer via memcpy without proper length validation. An attacker with physical access to the UART3 serial interface can exploit this vulnerability by sending a maliciously crafted command with an oversized filename parameter,

Published 2026-08-03. Last modified 2026-09-09.