What is CVE-2023-7339?

CVE-2023-7339 is a medium-severity vulnerability in Softing Epgate, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-03-27.

How severe is CVE-2023-7339?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Softing Epgate

CVE-2023-7339

Stack-based buffer overflow vulnerability in Softing Industrial Automation GmbH gateways allows overflow buffers. This issue affects pnGate: through 1.30 epGate: through 1.30 mbGate: through 1.30 smartLink HW-DP: through 1.30 smartLink HW-…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Softing Epgate — versions 0
Softing Mbgate — versions 0
Softing Pngate — versions 0, 1.34
Softing Smartlink Hw-dp — versions 0, 1.31
Softing Smartlink Hw-pn — versions 0, 1.02

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

Frequently asked questions

What is CVE-2023-7339?: CVE-2023-7339 is a medium-severity vulnerability in Softing Epgate, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-03-27.
How severe is CVE-2023-7339?: Medium severity. CVSS v3 base score is 6.5 out of 10.