CVE-2017-20235

ProSoft Technology ICX35-HWC version 1.3 and prior cellular gateways contain an authentication bypass vulnerability in the web user interface that allows unauthenticated attackers to gain access to administrative functions without valid credentials. Attackers can bypass the authentication mechanism in affected firmware versions to obtain full administrative access to device configuration and settings.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - disclosure@vulncheck.com

Published

2026-04-03

Last modified

2026-05-25

Weaknesses

CWE-287

Affected products

• Icx35-hwc Firmware (Prosoft-technology)
• Icx35-hwc Cellular Gateway (Prosoft Technology)

References

• https://assets.belden.com/m/1281cac2c9e90abf/original/Security-Bulletin-Authentication-Security-ProSoft-ICX35-BSECV-201…
• https://www.vulncheck.com/advisories/prosoft-technology-icx35-hwc-authentication-bypass