Vulnerability Description
A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dereference a null or freed queue pointer, resulting in a segmentation fault and potential denial-of-service.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Airpig2011 | Iec104 | <= 2019-07-08 |
Related Weaknesses (CWE)
References
- https://github.com/airpig2011/IEC104/issues/21ExploitIssue Tracking
- https://songsong.host/mybugs/CVE-2025-63929.htmlExploitThird Party Advisory
FAQ
What is CVE-2025-63929?
CVE-2025-63929 is a vulnerability with a CVSS score of 7.5 (HIGH). A null pointer dereference vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). When multiple threads enqueue elements concurrently via IEC10X_PrioEnQueue, the function may dere...
How severe is CVE-2025-63929?
CVE-2025-63929 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-2025-63929?
Check the references section above for vendor advisories and patch information. Affected products include: Airpig2011 Iec104.