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CVE-2026-82773

MEDIUM
6.1
CVSS Score
Published: September 14, 2026 at 06:39 AM UTC
Updated: September 16, 2026 at 07:44 PM UTC
4 products affected across 1 vendorCps MG341Cps MCS341Cps MGS341

Using M2M Gateway Integrated Type CPS-MG341* by Contec Co., Ltd.?

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Cross-site scripting vulnerability exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cps MC341· Contec
60%
v < 4.1.0
Affected range stops below 4.1.0, so it looks safe — our inference, not a vendor statement
Cps MCS341· Contec
60%
v < 4.1.0
Affected range stops below 4.1.0, so it looks safe — our inference, not a vendor statement
Cps MG341· Contec
60%
v < 4.1.0
Affected range stops below 4.1.0, so it looks safe — our inference, not a vendor statement
Cps MGS341· Contec
60%
v < 4.1.0
Affected range stops below 4.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMjpcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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