What’s Vulnerable › Vulnerabilities

CVE-2026-82774

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-16
• Weakness: CWE-78

Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.

Affected products

• Contec Co., Ltd. M2M Controller Configurable type CPS-MCS341*: before 4.1.0 — fixed in 4.1.0
• Contec Co., Ltd. M2M Controller Integrated Type CPS-MC341: before 4.1.0 — fixed in 4.1.0
• Contec Co., Ltd. M2M Gateway Configurable type CPS-MGS341*: before 4.1.0 — fixed in 4.1.0
• Contec Co., Ltd. M2M Gateway Integrated Type CPS-MG341*: before 4.1.0 — fixed in 4.1.0

How to fix

Upgrade to a fixed version: Contec Co., Ltd. M2M Controller Configurable type CPS-MCS341* 4.1.0; Contec Co., Ltd. M2M Controller Integrated Type CPS-MC341 4.1.0; Contec Co., Ltd. M2M Gateway Configurable type CPS-MGS341* 4.1.0; Contec Co., Ltd. M2M Gateway Integrated Type CPS-MG341* 4.1.0. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU96551518/
• https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf

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