CVE-2026-44104
Critical
Description
The firmware update process for the basemodule of the charging controller only validates the CRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.
SeverityCritical
CVSS9.8
Exploit probability36. percentile0.4%
ProductCHARX SEC-3150
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-347CWE-347
How to fix
Update
- Phoenix Contact CHARX SEC-31501.9.1 or later
- Phoenix Contact CHARX SEC-31001.9.1 or later
- Phoenix Contact CHARX SEC-30501.9.1 or later
- Phoenix Contact CHARX SEC-30001.9.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Phoenix Contact CHARX SEC-3150 | 1.0.0 ≤ v < 1.9.1 | 1.9.1 |
| Phoenix Contact CHARX SEC-3100 | 1.0.0 ≤ v < 1.9.1 | 1.9.1 |
| Phoenix Contact CHARX SEC-3050 | 1.0.0 ≤ v < 1.9.1 | 1.9.1 |
| Phoenix Contact CHARX SEC-3000 | 1.0.0 ≤ v < 1.9.1 | 1.9.1 |
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