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CVE-2026-44090

Last refreshed2026-10-06

Status: UPDATED  |  Advisory ID: CVE-2026-44090

Key Details

CVECVE-2026-44090
CVSS Score / Version9.8 (Critical) / CVSS v3.1
Updated2026-07-30
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsPhoenix Contact CHARX SEC-3150, Phoenix Contact CHARX SEC-3100, Phoenix Contact CHARX SEC-3050, and Phoenix Contact CHARX SEC-3000
Classified asCWE-306 (Missing Authentication for Critical Function)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Phoenix ContactCHARX SEC-3150
Phoenix ContactCHARX SEC-3100
Phoenix ContactCHARX SEC-3050
Phoenix ContactCHARX SEC-3000
SubsystemsGeneral OT
SectorsMultiple

What to Know

Due to missing authentication, an unauthenticated remote attacker may access the MQTT broker, which is only protected from external access by a firewall. This may lead to the device being fully compromised. (NVD)

What to Do

Monitor Phoenix Contact's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-44090
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-44090