High severity · published Jul 30, 2026
CVE-2026-44107
Exposed Reboot via Modbus
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
CHARX SEC-3000 · Phoenix Contact
1.0.0 before 1.9.1 · source: vendor
CS
CHARX SEC-3050 · Phoenix Contact
1.0.0 before 1.9.1 · source: vendor
CS
CHARX SEC-3100 · Phoenix Contact
1.0.0 before 1.9.1 · source: vendor
CS
CHARX SEC-3150 · Phoenix Contact
1.0.0 before 1.9.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44107
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44107
www.certvde.com
https://www.certvde.com/en/advisories/VDE-2026-008/
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