Unauthenticated Remote Code Execution via the device hostname
Priority MEDIUM 50CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the hostname of the device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00773 55th percentileScored 2026-11-07
Fix Fixed ICX500 (Zenitel): 1.4.3.3ICX510 (Zenitel): 1.4.3.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Zenitel | ICX500 | before 1.4.3.3 | 1.4.3.3 | Patch available | CNA |
| Zenitel | ICX510 | before 1.4.3.3 | 1.4.3.3 | Patch available | CNA |
- ICX500 VendorZenitel Affected before 1.4.3.3 Fixed in 1.4.3.3 Patch available CNA
- ICX510 VendorZenitel Affected before 1.4.3.3 Fixed in 1.4.3.3 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zenitel:icx500_firmware:*:*:*:*:*:*:*:* | before 1.4.3.3 | Vulnerable | Zenitel |
| cpe:2.3:h:zenitel:icx500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zenitel |
| cpe:2.3:o:zenitel:icx510_firmware:*:*:*:*:*:*:*:* | before 1.4.3.3 | Vulnerable | Zenitel |
| cpe:2.3:h:zenitel:icx510:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zenitel |
- cpe:2.3:o:zenitel:icx500_firmware:*:*:*:*:*:*:*:* Versions before 1.4.3.3 Vulnerable ·Zenitel
- cpe:2.3:h:zenitel:icx500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zenitel
- cpe:2.3:o:zenitel:icx510_firmware:*:*:*:*:*:*:*:* Versions before 1.4.3.3 Vulnerable ·Zenitel
- cpe:2.3:h:zenitel:icx510:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zenitel
Remediation
- Fix · CNA ICX500 (Zenitel) Fixed in 1.4.3.3
- Fix · CNA ICX510 (Zenitel) Fixed in 1.4.3.3
Timeline
- 2026-10-02 Threatist record created from CVE-2025-64093
- 2026-10-03 Alias added: GHSA-pf7q-gxvm-9794
References
Advisory 1
More Zenitel Icx500 Firmware vulnerabilities
- TI-2025-39543 Unauthenticated SQL injection via GET request parameters CVSS 3.1HIGH 7.5
Sources
- CVE-2025-64093 · CVE Program
- CVE-2025-64093 · NVD
- FIRST EPSS
- GHSA-pf7q-gxvm-9794 · 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