CVE-2025-40579

5.4 mediumEPSS 0.2%

Medium (5.4) in siemens scalance lpe9403 firmware. EPSS 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices are vulnerable to a stack-based buffer overflow. This could allow a non-privileged local attacker to execute arbitrary code on the device or to cause a denial of service condition.

Severity

CVSS 4.0

5.4 medium

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-121
Published: 2025-05-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

siemens:scalance_lpe9403_firmware

References

https://cert-portal.siemens.com/productcert/html/ssa-327438.html

Check your stack JSON