CVE-2026-37539 — CRITICAL (9.8)

Vulnerability Description

Buffer overflow vulnerability in cannelloni v2.0.0 in CAN frame parsing in parser.cpp in function parseCANFrame, and decoder.cpp in function decodeFrame allowing remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted CAN FD frames.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2026-37539?

CVE-2026-37539 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Buffer overflow vulnerability in cannelloni v2.0.0 in CAN frame parsing in parser.cpp in function parseCANFrame, and decoder.cpp in function decodeFrame allowing remote attackers to cause a denial of ...

How severe is CVE-2026-37539?

CVE-2026-37539 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-37539?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.