Quick answers
- Is CVE-2026-82775 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-82775 being exploited in the wild.
- How severe is CVE-2026-82775?
- Medium severity, with a CVSS score of 4.3, published 14 September 2026.
- Which products and versions are affected?
- Contec CONPROSYS M2M Controller Configurable Type CPS-MCS341 versions prior to 4.1.0; Contec CONPROSYS M2M Controller Integrated Type CPS-MC341 versions prior to 4.1.0; Contec CONPROSYS M2M Gateway Configurable Type CPS-MGS341 versions prior to 4.1.0; Contec CONPROSYS M2M Gateway Integrated Type CPS-MG341 versions prior to 4.1.0.
- Is there a fix for CVE-2026-82775?
- 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-2026-82775 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-82775?
- Check whether you run Contec CONPROSYS M2M Controller Configurable Type CPS-MCS341, Contec CONPROSYS M2M Controller Integrated Type CPS-MC341, Contec CONPROSYS M2M Gateway Configurable Type CPS-MGS341 or one of the others listed 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 vulnerability is an exposure of information through directory listing (CWE-548) affecting CONPROSYS M2M Gateway and Controller Series devices. An unauthenticated remote attacker can access a specific URL on the affected products to retrieve directory listings without authentication, allowing enumeration of files and folders. The vulnerability requires network access but no authentication or user interaction. An attacker can exploit this to map the device's file structure and identify potential targets for further attacks. Patches are available in version 4.1.0 or later for affected M2M Gateway and Controller product lines.
Affected products
- Contec CONPROSYS M2M Gateway Integrated Type CPS-MG341 versions prior to 4.1.0
- Contec CONPROSYS M2M Gateway Configurable Type CPS-MGS341 versions prior to 4.1.0
- Contec CONPROSYS M2M Controller Integrated Type CPS-MC341 versions prior to 4.1.0
- Contec CONPROSYS M2M Controller Configurable Type CPS-MCS341 versions prior to 4.1.0
Timeline
- 2026-09-10: disclosed
- 2026-09-14: advisory