Is CVE-2026-82793 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-82793 being exploited in the wild.

How severe is CVE-2026-82793?

High severity, with a CVSS score of 7.2, published 14 September 2026.

Which products and versions are affected?

Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-USB) prior to 2.20; Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-WF) prior to 2.20.

Is there a fix for CVE-2026-82793?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-82793 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-82793?

Check whether you run Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-USB) or Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-WF) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-82793: Contec CAN 2.0B Converter unrestricted file upload

CVE-2026-82793 · Severity: high · CVSS 7.2 · Published 2026-09-14

Contec's CAN 2.0B Communication Wireless LAN/USB Converter Unit is a device used to enable wireless connectivity and data communication in industrial and embedded systems. An authenticated attacker can upload specially crafted files that bypass validation controls, leading to arbitrary code execution on the device and potentially compromising entire communication systems that depend on it.

Vendors: Contec.

Quick answers

Is CVE-2026-82793 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-82793 being exploited in the wild.
How severe is CVE-2026-82793?: High severity, with a CVSS score of 7.2, published 14 September 2026.
Which products and versions are affected?: Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-USB) prior to 2.20; Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-WF) prior to 2.20.
Is there a fix for CVE-2026-82793?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-82793 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-82793?: Check whether you run Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-USB) or Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-WF) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is an unrestricted file upload vulnerability (CWE-434) in the Contec CAN 2.0B Converter Unit that allows arbitrary code execution. The vulnerability requires high-privilege authentication to exploit but does not require user interaction. An authenticated remote attacker can upload a specially crafted file that bypasses file type validation, resulting in arbitrary code execution on the affected device. Vulnerable firmware versions include CAN-2-WF and CAN-2-USB prior to version 2.20. The vendor has released patched firmware versions that should be applied immediately.

Affected products

Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-WF) prior to 2.20
Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit (CAN-2-USB) prior to 2.20

Timeline

2026-09-10: disclosed
2026-09-14: advisory

References

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