How severe is CVE-2017-20236?

CVE-2017-20236 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-20236 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-20236?

CVE-2017-20236 affects Prosoft-technology Icx35-hwc Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-20236?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2017-20236 have an EU (EUVD) identifier?

Yes. CVE-2017-20236 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18961.

When was CVE-2017-20236 published?

CVE-2017-20236 was published on 2026-04-03 and last updated on 2026-07-21.

CVE-2017-20236

CVE-2017-20236 is a critical-severity vulnerability in Prosoft-technology Icx35-hwc Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2017-18961
Weakness: CWE-78
Affected product: Prosoft-technology Icx35-hwc Firmware
Published: 2026-04-03
Last modified: 2026-07-21

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.

Frequently asked questions

What is CVE-2017-20236?: 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.
How severe is CVE-2017-20236?: CVE-2017-20236 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-20236 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-20236?: CVE-2017-20236 affects Prosoft-technology Icx35-hwc Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-20236?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2017-20236 have an EU (EUVD) identifier?: Yes. CVE-2017-20236 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18961.
When was CVE-2017-20236 published?: CVE-2017-20236 was published on 2026-04-03 and last updated on 2026-07-21.

References

Affected products (1)

cpe:2.3:o:prosoft-technology:icx35-hwc_firmware:*:*:*:*:*:*:*:*

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