Authenticated Remote Code Execution in the Billing Administration portal
Priority LOW 38CWE-77Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- 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
This vulnerability allows malicious actors to execute arbitrary commands on the underlying system of the Zenitel ICX500 and ICX510 Gateway, granting shell access. Exploitation can compromise the device’s availability, confidentiality, and integrity.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th 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
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
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-2025-59815
- 2026-10-03 Alias added: GHSA-86g2-v9c6-vg83
More Zenitel vulnerabilities
- TI-2025-39579 Zenitel TCIV-3+ OS Command Injection CVSS 4.0CRITICAL 10.0
- TI-2025-39578 Zenitel TCIV-3+ OS Command Injection CVSS 4.0CRITICAL 10.0
- TI-2025-39577 Zenitel TCIV-3+ OS Command Injection CVSS 4.0CRITICAL 10.0
- TI-2025-39581 Zenitel TCIV-3+ Cross-site Scripting CVSS 4.0CRITICAL 9.3
- TI-2025-39544 Unauthenticated Remote Code Execution via the device hostname CVSS 3.1CRITICAL 10.0
- TI-2025-37257 Authenticated Remote Code Execution via the file name of an uploaded file CVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-59815 · CVE Program
- CVE-2025-59815 · NVD
- FIRST EPSS
- GHSA-86g2-v9c6-vg83 · 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