Vulnerability · Published Nov 12, 2025 · Assigned by mitre
CVE-2025-63929
High 7.5
In plain English
A high-severity null pointer dereference in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 68.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H