CVE-2023-7339 | Data collection for dowloading leads into buffer overflow

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-PN: through 1.01.

Published: 2026-03-27 Last update: 2026-03-30 Assigner: 10de8ef9-5c89-4b17-8228-e97b74acf4bd Source: 10de8ef9-5c89-4b17-8228-e97b74acf4bd

Conclusion & alert: CVE-2023-7339 is rated Low Risk (27.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.02%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-7339

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-22 0.05% 0.02% -0.03%
2 2026-04-28 0.04% 0.05% +0.01%
3 2026-03-27 0.04%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-7339

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 10de8ef9-5c89-4b17-8228-e97b74acf4bd

Weakness enumeration for CVE-2023-7339

Affected software / configurations for CVE-2023-7339

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2023-7339

cvelogic Threat Intelligence