Medium severity · published Jul 30, 2026
CVE-2026-44103
JupiCore does not perform validation of firmware
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
An unauthenticated remote attacker can inject malicious firmware into the internal charging module because the JupiCore service transmits firmware updates without performing integrity or verification check. Successful exploitation may compromise the integrity of the affected device. This vulnerability could be used in chain with CVE-2026-44104.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% 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-2026-44103
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44103
www.certvde.com
https://www.certvde.com/en/advisories/VDE-2026-008/
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