CVE-2017-20236
The vulnerability is in ProSoft Technology ICX35‑HWC cellular gateways (v1.3 and earlier). An attacker can send specially crafted input to the web interface and run arbitrary system commands with root privileges, effectively taking full control of the device.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
ProSoft Technology ICX35‑HWC firmware versions 1.3 and earlier, used in cellular gateways by telecom operators and network administrators.
Real-world impact
An attacker could gain root access to the gateway, allowing them to modify configuration, intercept traffic, or use the device as a launch point for further attacks.
Why this severity
The CVSS score of 9.3 reflects the fact that the flaw allows remote attackers to execute commands with full privileges (high confidentiality, integrity, and availability impact) and requires no authentication or user interaction.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Apr 3, 2026 · Apr 3, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 21, 2026 · 15d agoAdvisory updatedThe NVD record was last revised.
How it’s attacked
References & advisories
- assets.belden.com/m/1116a05ab702b2ba/original…vendor advisory
- vulncheck.com/advisories/prosoft-technolo…third party advisory