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VulnerabilityPublished

CVE-2026-82775: Contec M2M Gateway Integrated Type CPS-MG341* · Exposure of Information Through Directory Listing

Affects Contec M2M Gateway Integrated Type CPS-MG341*Source CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 4.1.0 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.1.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade M2M to 4.1.0.

Affected software

ProductAffectedFixed in
Contec Co., Ltd.M2M Gateway Integrated Type CPS-MG341*Affected
  • <4.1.0
Fixed in
  • 4.1.0
Contec Co., Ltd.M2M Gateway Configurable type CPS-MGS341*Affected
  • <4.1.0
Fixed in
  • 4.1.0
Contec Co., Ltd.M2M Controller Integrated Type CPS-MC341Affected
  • <4.1.0
Fixed in
  • 4.1.0
Contec Co., Ltd.M2M Controller Configurable type CPS-MCS341*Affected
  • <4.1.0
Fixed in
  • 4.1.0

AI-suggested

If you cannot patch yet, restrict access to the affected URLs and implement network-level controls to limit exposure.

Description

An exposure of information through directory listing issue exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. Accessing a specific URL on this product may allow a remote unauthenticated attacker to obtain the directory list without authentication.

References

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