CVE-2026-82793

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

JVNVU#90314828: Multiple vulnerabilities in Contec PC-HELPER series

https://jvn.jp/en/vu/JVNVU90314828/
generic
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf

Vendor Advisories for CVE-2026-82793(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× in last 7d / 32× 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. 2026-09-21 03:50 UTCEG score recompute
  2. 2026-09-21 03:50 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 14:48 UTCGHSA enrichment
  5. 2026-09-20 01:47 UTCEG score recompute
  6. 2026-09-20 01:47 UTCGHSA enrichment
  7. 2026-09-19 12:46 UTCGHSA enrichment
  8. 2026-09-18 23:44 UTCEG score recompute
  9. 2026-09-18 23:44 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 10:42 UTCGHSA enrichment
  12. 2026-09-17 21:40 UTCEG score recompute
  13. 2026-09-17 21:40 UTCGHSA enrichment
  14. 2026-09-17 08:38 UTCGHSA enrichment
  15. 2026-09-16 19:36 UTCGHSA enrichment
  16. 2026-09-16 17:57 UTCEG score recompute
  17. 2026-09-16 17:57 UTCGHSA enrichment
  18. 2026-09-16 14:08 UTCEPSS rescore
  19. 2026-09-16 05:15 UTCEPSS rescore
  20. 2026-09-16 03:31 UTCGHSA enrichment
  21. 2026-09-15 14:29 UTCEG score recompute
  22. 2026-09-15 14:29 UTCGHSA enrichment
  23. 2026-09-15 03:12 UTCEPSS rescore
  24. 2026-09-15 03:12 UTCEPSS rescore
  25. 2026-09-15 01:28 UTCGHSA enrichment
Show 7 more
  1. 2026-09-14 12:26 UTCEG score recompute
  2. 2026-09-14 12:26 UTCGHSA enrichment
  3. 2026-09-14 11:50 UTCEG score recompute
  4. 2026-09-14 11:50 UTCGHSA enrichment
  5. 2026-09-14 07:20 UTCEG score recompute
  6. 2026-09-14 06:55 UTCEG score recompute
  7. 2026-09-14 06:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82793?
CVE-2026-82793 is a high vulnerability published on September 14, 2026. Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.
When was CVE-2026-82793 disclosed?
CVE-2026-82793 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82793 actively exploited?
CVE-2026-82793 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 71.2% of all scored CVEs.
What is the CVSS score of CVE-2026-82793?
CVE-2026-82793 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-82793?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82793, 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

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