CVEvulnerability
CVE-2025-63927
4.0 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-11-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 4.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-122
Description
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 program crashes or undefined behavior. This may be exploited to trigger a denial-of-service or memory corruption.
Affected configurations
• airpig2011 iec104 (<= 2019-07-08)
Related
Weakness · CWE (1)
- CWE-122 Heap-based Buffer Overflow weakness
References
- https://github.com/airpig2011/IEC104/issues/20 Exploit
- https://songsong.host/mybugs/CVE-2025-63927.html Exploit, Third Party Advisory