Vulnerability · Published Jul 30, 2026 · Assigned by CERTVDE
CVE-2026-44102OCPP Firmware download is not properly locked
Medium 5.3
In plain English
A medium-severity race condition in CHARX SEC-3000 from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 72.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated remote attacker can trigger a firmware update download via the OCPP backend by supplying an invalid firmware file. This will cause the file to remain accessible for a short period before it is deleted due to improper locking during the cleanup process.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Phoenix Contact | CHARX SEC-3150 | 1.0.0 – before 1.9.1 |
| Phoenix Contact | CHARX SEC-3100 | 1.0.0 – before 1.9.1 |
| Phoenix Contact | CHARX SEC-3050 | 1.0.0 – before 1.9.1 |
| Phoenix Contact | CHARX SEC-3000 | 1.0.0 – before 1.9.1 |
Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N