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TI-2026-57103 Aliases CVE-2026-82785GHSA-vvvm-mx34-h72c

Stack-based buffer overflow in Contec Co., Ltd. Remote I/O Coupler Unit CPSN-MCB271-*

Priority LOW 25CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Stack-based buffer overflow vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00492 42nd percentileScored 2026-11-07
Fix Fixed Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* (Contec Co., Ltd.): 1.82

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Contec Co., Ltd.Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*before 1.821.82Patch availableCNA
  • Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* VendorContec Co., Ltd. Affected before 1.82 Fixed in 1.82 Patch available CNA

Remediation

  • Fix · CNA Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* (Contec Co., Ltd.) Fixed in 1.82

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Contec Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* 1.82

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2026-57102 Missing authentication in Contec Co., Ltd. Remote I/O Coupler Unit CPSN-MCB271-*Priority LOW 36
    • TI-2026-57104 Insufficiently protected credentials in Contec Co., Ltd. Remote I/O Coupler Unit…Priority LOW 35
    • TI-2026-57100 Out-of-bounds write in Contec Co., Ltd. Remote I/O Coupler Unit CPSN-MCB271-*Priority LOW 24

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-82785
  2. 2026-10-03 Alias added: GHSA-vvvm-mx34-h72c

References

  • TI-2022-11821 SolarView Compact ver.6.00 was discovered to contain a command injection vulnerability via conf_mail.php. KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-09196 There is a command injection vulnerability in SolarView Compact through 6.00, attackers… CVSS 3.1CRITICAL 9.8
  • TI-2022-21852 OS command injection in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1CRITICAL 9.8
  • TI-2023-14072 SolarView Compact <= 6.0 is vulnerable to Insecure Permissions. CVSS 3.1CRITICAL 9.8
  • TI-2022-21787 SolarView Compact 4.0 and 5.0 is vulnerable to Unrestricted File Upload via a crafted php file. CVSS 3.1CRITICAL 9.8
  • TI-2022-19462 SolarView Compact 6.00 was discovered to contain a command injection vulnerability via network_test.php CVSS 3.1CRITICAL 9.8
See all 80 →

Sources