CVE-2023-7339

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-03-27. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

March 27, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 3, 2026
No patch confirmed yet.
generic
https://industrial.softing.com/fileadmin/psirt/downloads/2023/CVE-2023-7339.json
generic

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

https://industrial.softing.com/fileadmin/psirt/downloads/2023/CVE-2023-7339.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 19:26 UTCEPSS rescore
  2. 2026-09-16 14:06 UTCEPSS rescore
  3. 2026-09-16 05:11 UTCEPSS rescore
  4. 2026-09-16 05:11 UTCEPSS rescore
  5. 2026-09-15 03:08 UTCEPSS rescore
  6. 2026-09-13 16:45 UTCEPSS rescore
  7. 2026-09-12 14:58 UTCEPSS rescore
  8. 2026-09-11 14:51 UTCEPSS rescore
  9. 2026-09-11 09:34 UTCEPSS rescore
  10. 2026-09-08 21:58 UTCEPSS rescore
  11. 2026-09-07 15:59 UTCEPSS rescore
  12. 2026-09-06 13:46 UTCEPSS rescore
  13. 2026-09-05 15:26 UTCEPSS rescore
  14. 2026-09-04 13:58 UTCEPSS rescore
  15. 2026-09-04 05:04 UTCEPSS rescore
  16. 2026-09-02 14:10 UTCEPSS rescore
  17. 2026-09-01 13:52 UTCEPSS rescore
  18. 2026-09-01 04:36 UTCEPSS rescore
  19. 2026-08-30 19:15 UTCEPSS rescore
  20. 2026-08-30 01:20 UTCEPSS rescore
  21. 2026-08-28 21:39 UTCEPSS rescore
  22. 2026-08-27 14:23 UTCEPSS rescore
  23. 2026-08-26 14:44 UTCEPSS rescore
  24. 2026-08-25 13:47 UTCEPSS rescore
  25. 2026-08-23 00:17 UTCEPSS rescore
Show 49 more
  1. 2026-08-23 00:17 UTCEPSS rescore
  2. 2026-08-21 23:47 UTCEPSS rescore
  3. 2026-08-20 22:53 UTCEPSS rescore
  4. 2026-08-19 17:02 UTCEPSS rescore
  5. 2026-08-18 13:46 UTCEPSS rescore
  6. 2026-08-16 14:54 UTCEPSS rescore
  7. 2026-08-16 10:02 UTCEG score recompute
  8. 2026-08-16 10:02 UTCGHSA enrichment
  9. 2026-08-16 02:12 UTCEPSS rescore
  10. 2026-08-15 01:28 UTCEPSS rescore
  11. 2026-08-14 06:20 UTCEG score recompute
  12. 2026-08-14 06:20 UTCGHSA enrichment
  13. 2026-08-13 21:58 UTCEPSS rescore
  14. 2026-08-12 20:38 UTCEG score recompute
  15. 2026-08-12 20:38 UTCGHSA enrichment
  16. 2026-08-12 13:49 UTCEPSS rescore
  17. 2026-08-11 13:40 UTCEPSS rescore
  18. 2026-08-11 04:28 UTCEG score recompute
  19. 2026-08-11 04:28 UTCGHSA enrichment
  20. 2026-08-10 23:58 UTCEPSS rescore
  21. 2026-08-10 05:11 UTCEG score recompute
  22. 2026-08-10 05:11 UTCGHSA enrichment
  23. 2026-08-09 13:44 UTCEPSS rescore
  24. 2026-08-09 05:53 UTCEG score recompute
  25. 2026-08-09 05:53 UTCGHSA enrichment
  26. 2026-08-08 16:35 UTCEPSS rescore
  27. 2026-08-07 16:25 UTCEPSS rescore
  28. 2026-08-07 16:20 UTCEG score recompute
  29. 2026-08-07 16:20 UTCGHSA enrichment
  30. 2026-08-06 13:45 UTCEPSS rescore
  31. 2026-08-06 00:48 UTCEG score recompute
  32. 2026-08-06 00:48 UTCGHSA enrichment
  33. 2026-08-05 19:15 UTCEPSS rescore
  34. 2026-08-05 19:15 UTCEPSS rescore
  35. 2026-08-04 10:36 UTCEPSS rescore
  36. 2026-08-03 23:09 UTCEG score recompute
  37. 2026-08-03 23:09 UTCGHSA enrichment
  38. 2026-08-03 10:34 UTCEPSS rescore
  39. 2026-08-02 15:13 UTCEG score recompute
  40. 2026-08-02 15:13 UTCGHSA enrichment
  41. 2026-08-02 02:25 UTCEPSS rescore
  42. 2026-08-02 02:25 UTCEPSS rescore
  43. 2026-08-01 04:14 UTCEPSS rescore
  44. 2026-07-30 16:26 UTCEPSS rescore
  45. 2026-07-30 01:29 UTCEPSS rescore
  46. 2026-07-28 15:34 UTCEPSS rescore
  47. 2026-07-28 15:34 UTCEPSS rescore
  48. 2026-07-27 14:19 UTCEG score recompute
  49. 2026-07-27 14:19 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-7339?
CVE-2023-7339 is a medium vulnerability published on March 27, 2026. 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.
When was CVE-2023-7339 disclosed?
CVE-2023-7339 was first published in the National Vulnerability Database on March 27, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-7339 actively exploited?
CVE-2023-7339 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 70.3% of all scored CVEs.
What is the CVSS score of CVE-2023-7339?
CVE-2023-7339 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2023-7339?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-7339, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-7339

Explore →

Is Your Infrastructure Affected by CVE-2023-7339?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs