CVE-2025-63927

MEDIUM EPSS 6.7%
Published Nov 12, 20257mo ago · Modified Jun 17, 20262w ago
4.0 CVSS 3.1
Medium
Find Similar
Published Nov 12, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.0
Exploitability
2.5
Impact
1.4
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

EPSS Exploit Probability
6.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-122

Affected Products 1

VendorProductVersionRange
airpig2011iec104* ≤2019-07-08

References 2

  • github.com https://github.com/airpig2011/IEC104/issues/20
    Exploit
  • songsong.host https://songsong.host/mybugs/CVE-2025-63927.html
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.