High severity · published Sep 14, 2026
CVE-2026-82779
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS TM Series
8.8
CVSS
1.9%
EPSS
No
On KEV
Description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS TM Series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
CPS-TM341G5MB-ADSC1-931 · Contec Co., Ltd
before 2.19 · source: vendor
CP
CPS-TM341GMB-ADSC1-931 · Contec Co., Ltd
before 2.19 · source: vendor
CP
CPS-TM341MB-ADSC1-931 · Contec Co., Ltd
before 2.19 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82779
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82779
jvn.jp
https://jvn.jp/en/vu/JVNVU96551518/
www.contec.com
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
More from CPS-TM341G5MB-ADSC1-931
8.8
CVE-2026-82780
Unrestricted upload of file with dangerous type issue exists in CONPROSYS TM Series