CVE-2026-67673

Published Aug 3, 2026 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
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,

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Stack-Based Buffer Overflow in OreSat Firmware cmd_edl via UART3
Weaknesses CWE-120
Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Stack-Based Buffer Overflow in OreSat Firmware cmd_edl via UART3
Weaknesses CWE-120
Type Values Removed Values Added
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,
References

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2026, 7:16 PM
Reserved
Jul 30, 2026, 12:00 AM
Status
Deferred
Published
Aug 3, 2026, 11:16 PM
Modified
Sep 9, 2026, 4:04 PM