How severe is CVE-2018-19659?

CVE-2018-19659 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-19659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19659?

CVE-2018-19659 affects Moxa Nport W2x50a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19659?

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

When was CVE-2018-19659 published?

CVE-2018-19659 was published on 2018-12-06 and last updated on 2026-06-17.

CVE-2018-19659

CVE-2018-19659 is a high-severity vulnerability in Moxa Nport W2x50a Firmware with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Moxa Nport W2x50a Firmware
Published: 2018-12-06
Last modified: 2026-06-17

Description

An exploitable authenticated command-injection vulnerability exists in the web server functionality of Moxa NPort W2x50A products with firmware before 2.2 Build_18082311. A specially crafted HTTP POST request to /goform/net_WebPingGetValue can result in running OS commands as the root user. This is similar to CVE-2017-12120.

Frequently asked questions

What is CVE-2018-19659?: An exploitable authenticated command-injection vulnerability exists in the web server functionality of Moxa NPort W2x50A products with firmware before 2.2 Build_18082311. A specially crafted HTTP POST request to /goform/net_WebPingGetValue can result in running OS commands as the root user. This is similar to CVE-2017-12120.
How severe is CVE-2018-19659?: CVE-2018-19659 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-19659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19659?: CVE-2018-19659 affects Moxa Nport W2x50a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-19659 published?: CVE-2018-19659 was published on 2018-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:moxa:nport_w2x50a_firmware:*:*:*:*:*:*:*:*

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