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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00089.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ProSoft Technology ICX35-HWC Cellular Gateway affected
Version Status Constraints
0 affected ≤ 1.0
0 affected ≤ 1.1
0 affected ≤ 1.1d
0 affected ≤ 1.2.x
1.3 unaffected —

Configuration 1 [-]

AND
cpe:2.3:o:prosoft-technology:icx35-hwc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:prosoft-technology:icx35-hwc:-:*:*:*:*:*:*:*

No data.

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Vendors Products
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Icx35-hwc Subscribe

Project Subscriptions

Vendors Products
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Icx35-hwc Subscribe
Icx35-hwc Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://assets.belden.com/m/1281cac2c9e90abf/original/Security-Bulletin-Authentication-Security-ProSoft-ICX35-BSECV-2017-09.pdf cve-icon cve-icon
https://www.vulncheck.com/advisories/prosoft-technology-icx35-hwc-authentication-bypass cve-icon cve-icon
History

Tue, 12 May 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

 cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Wed, 22 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Prosoft-technology icx35-hwc Firmware
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:h:prosoft-technology:icx35-hwc:-:*:*:*:*:*:*:*
cpe:2.3:o:prosoft-technology:icx35-hwc_firmware:*:*:*:*:*:*:*:*
Vendors & Products Prosoft-technology icx35-hwc Firmware

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Prosoft-technology
Prosoft-technology icx35-hwc
Vendors & Products Prosoft-technology
Prosoft-technology icx35-hwc

Mon, 06 Apr 2026 16:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Sat, 04 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
Description 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.
Title ProSoft Technology ICX35-HWC Authentication Bypass
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-12T20:46:15.334Z

Reserved: 2026-04-03T18:52:46.939Z

Link: CVE-2017-20235

cve-icon Vulnrichment

Updated: 2026-04-06T16:07:38.263Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-03T23:17:00.267

Modified: 2026-04-22T15:13:25.223

Link: CVE-2017-20235

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T22:45:15Z

Weaknesses