VulnerabilityDeferred

CVE-2026-67673

A stack-based buffer overflow vulnerability exists in the cmd_edl function of OreSat Firmware v1.0.

MEDIUM 4.6EPSS 0.15%

Does this matter?

Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.

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,

CVSS 3.1: 4.6 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.15% probability · 5th percentile
CISA KEV: Not listed
Weakness: CWE-121
Source: cve@mitre.org

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.