What is CVE-2025-63927?

CVE-2025-63927 is a medium-severity vulnerability in Airpig2011 Iec104, classified under Heap-based Buffer Overflow. CVSS score: 4.0/10. Published 2025-11-12.

How severe is CVE-2025-63927?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Buffer overflow in Airpig2011 Iec104

CVE-2025-63927

A heap-use-after-free vulnerability exists in airpig2011 IEC104 thru Commit be6d841 (2019-07-08). During multi-threaded client execution, the function Iec10x_Scheduled can access memory that has already been freed, potentially causing prog…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Airpig2011 Iec104
N/a — versions n/a

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

cve@mitre.org (Exploit)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63927?: CVE-2025-63927 is a medium-severity vulnerability in Airpig2011 Iec104, classified under Heap-based Buffer Overflow. CVSS score: 4.0/10. Published 2025-11-12.
How severe is CVE-2025-63927?: Medium severity. CVSS v3 base score is 4.0 out of 10.