PHOENIX CONTACT: Out of bounds read only memory access
Priority LOW 34CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
An unauthenticated remote attacker can read memory out of bounds due to improper input validation in the MQTT stack. The brute force attack is not always successful because of memory randomization.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0081 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Phoenix Contact | CHARX SEC-3000 | up to 1.5.0 | — | No fix listed | CNA |
| Phoenix Contact | CHARX SEC-3050 | up to 1.5.0 | — | No fix listed | CNA |
| Phoenix Contact | CHARX SEC-3100 | up to 1.5.0 | — | No fix listed | CNA |
| Phoenix Contact | CHARX SEC-3150 | up to 1.5.0 | — | No fix listed | CNA |
- CHARX SEC-3000 VendorPhoenix Contact Affected up to 1.5.0 Fixed in — No fix listed CNA
- CHARX SEC-3050 VendorPhoenix Contact Affected up to 1.5.0 Fixed in — No fix listed CNA
- CHARX SEC-3100 VendorPhoenix Contact Affected up to 1.5.0 Fixed in — No fix listed CNA
- CHARX SEC-3150 VendorPhoenix Contact Affected up to 1.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:* | before 1.5.1 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:* | before 1.5.1 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:* | before 1.5.1 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:* | before 1.5.1 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
- cpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:* Versions before 1.5.1 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:* Versions before 1.5.1 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:* Versions before 1.5.1 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:* Versions before 1.5.1 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:charx_sec-3150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-26000
- 2026-10-03 Alias added: GHSA-3q3p-mxc5-jrmq
References
More Phoenix Contact vulnerabilities
- TI-2014-07463 Phoenix Contact Software ProConOs and MultiProg Missing Authentication for Critical Function CVSS 2.0CRITICAL 10.0
- TI-2024-17093 PHOENIX CONTACT: Remote code execution in CHARX Series CVSS 3.1CRITICAL 9.8
- TI-2022-13692 Insufficient Verification of Data Vulnerability in PHOENIX CONTACT classic line industrial controllers CVSS 3.1CRITICAL 9.8
- TI-2026-21959 Remote code execution via uploading a malicious IODD file CVSS 3.1CRITICAL 9.8
- TI-2026-21940 Authentication Bypass in _account_log CVSS 3.1CRITICAL 9.8
- TI-2023-03334 PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels CVSS 3.1CRITICAL 10.0
Sources
- CVE-2024-26000 · CVE Program
- CVE-2024-26000 · NVD
- FIRST EPSS
- GHSA-3q3p-mxc5-jrmq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences