CVE-2026-67673

4.6 mediumEPSS 0.2%

Medium (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,

Severity

CVSS 3.1

4.6 medium

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-121
Published: 2026-08-03
Modified: 2026-09-09
Record from: the NVD, synced 2026-10-19

References

https://github.com/dazuo233/cve/issues/2

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