Vulnerability · 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 unauthenticat…
Published Apr 3, 2026 · catalog updated Jul 21, 2026 · icx35-hwc firmware
Check if you run it
No confirmed exploitation is on record for CVE-2017-20235. EPSS is 0.45%. Act only if a listed version of icx35-hwc firmware is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.45%
- Remediation
- Version ranges on file
- Affected products
- cpe prosoft-technology/icx35-hwc firmware
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe prosoft-technology/icx35-hwc firmware< 1.3
How to fix CVE-2017-20235
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2017-20235. EPSS is 0.45%. Act only if a listed version of icx35-hwc firmware is installed.
Which versions are affected?
Compare what you have installed with prosoft-technology/icx35-hwc firmware < 1.3. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-287: Improper Authentication. EPSS 0.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 3, 2026 · NIST NVD
Detected
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 setti
Jul 21, 2026 · NIST NVD
Updated
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 setti
Sources
- CVE.orgVulnerability recordCVE-2017-20235
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2017-20235
30-day exploitation probability 0.45%
first.org - NIST NVDVulnerability recordCVE-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 authe
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.