Stack Buffer Overflow in SIMATIC PCS neo UMC (preV2.15.1.3)
CVE-2025-40795 Published on September 9, 2025
A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a stack-based buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to execute arbitrary code or to cause a denial of service condition.
Weakness Type
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2025-40795 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2025-40795
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Affected Versions
Siemens SIMATIC PCS neo V4.1:- Before * is affected.
- Before * is affected.
- Before * is affected.
- Before V2.15.1.3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.