VULNERABILITY INTELLIGENCE
CVE-2026-67673
CVSS score4.6 MEDIUM
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-08-03
Last modified2026-09-09
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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,
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-121