Vulnerability details
CVE-2026-44091
Phoenix Contact CHARX SEC-3000Phoenix Contact CHARX SEC-3050Phoenix Contact CHARX SEC-3100Phoenix Contact CHARX SEC-3150
Creation of a new configuration by posting a malicious ID to MQTT
CVSS 4.0
8.8High
Official description
An unauthenticated remote attacker can post a malicious ID to the MQTT Broker results in the creation of a new configuration entry in the system configuration. This may lead to integrity and availability loss.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 4.0 | CVEProject cvelistV5 (CNA) (CERTVDE) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N |
| 9.1Critical | 3.1 | CVEProject cvelistV5 (CNA) (CERTVDE) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Phoenix Contact | CHARX SEC-3000 | 1.0.0 ≤ v < 1.9.1 | CVEProject cvelistV5 (CNA) |
| Phoenix Contact | CHARX SEC-3050 | 1.0.0 ≤ v < 1.9.1 | CVEProject cvelistV5 (CNA) |
| Phoenix Contact | CHARX SEC-3100 | 1.0.0 ≤ v < 1.9.1 | CVEProject cvelistV5 (CNA) |
| Phoenix Contact | CHARX SEC-3150 | 1.0.0 ≤ v < 1.9.1 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-07-30
- Last updated
- 2026-08-01
- State
- Published
- Assigner (CNA)
- CERTVDE
Exploit prediction (EPSS)
0.58%
Probability of exploitation in 30 days
48.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-501Trust Boundary Violation