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CVE-2017-20235

CRITICAL CVSS 4.0: 9.3 EPSS 0.05%
Updated Apr 07, 2026
ProSoft
Parameter Value
CVSS 9.3 (CRITICAL)
Type CWE-287 (Improper Authentication)
Vendor ProSoft
Public PoC No

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 Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0