Vulnerability Description
COVESA Open1722 through 0.9.2 contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to write past the end of a fixed 15-slot stack array by sending a crafted UDP datagram containing more than 15 ACF-CAN messages. The avtp_to_can() function increments its write index without bounding it against the caller-supplied array size, and because the listener accepts datagrams from any sender matching a hardcoded unauthenticated stream ID transmitted in plaintext, attackers can corrupt adjacent stack memory to achieve arbitrary code execution or denial of service.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/COVESA/Open1722/issues/154
- https://www.vulncheck.com/advisories/covesa-open1722-stack-buffer-overflow-via-a
FAQ
What is CVE-2026-73522?
CVE-2026-73522 is a vulnerability with a CVSS score of 7.5 (HIGH). COVESA Open1722 through 0.9.2 contains a stack buffer overflow vulnerability that allows unauthenticated remote attackers to write past the end of a fixed 15-slot stack array by sending a crafted UDP ...
How severe is CVE-2026-73522?
CVE-2026-73522 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-73522?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.