CVE-2026-44092
Critical
Description
An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss.
SeverityCritical
CVSS9.1
Exploit probability—
ProductCHARX SEC-3150
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-93CWE-93
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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