CVE-2025-63929

CVE-2025-63929 is a high-severity vulnerability in Airpig2011 Iec104 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

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.

Frequently asked questions

What is CVE-2025-63929?
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.
How severe is CVE-2025-63929?
CVE-2025-63929 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-63929 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63929?
CVE-2025-63929 affects Airpig2011 Iec104. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63929?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-63929 have an EU (EUVD) identifier?
Yes. CVE-2025-63929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-131939.
When was CVE-2025-63929 published?
CVE-2025-63929 was published on 2025-11-12 and last updated on 2026-06-17.

References

Affected products (1)

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