How severe is CVE-2019-9743?

CVE-2019-9743 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-2019-9743 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9743?

CVE-2019-9743 primarily affects Phoenixcontact Rad-80211-xd/hp-bus Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9743?

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-2019-9743 published?

CVE-2019-9743 was published on 2019-03-26 and last updated on 2026-06-17.

CVE-2019-9743

CVE-2019-9743 is a high-severity vulnerability in Phoenixcontact Rad-80211-xd/hp-bus 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Phoenixcontact Rad-80211-xd/hp-bus Firmware
Published: 2019-03-26
Last modified: 2026-06-17

Description

An issue was discovered on PHOENIX CONTACT RAD-80211-XD and RAD-80211-XD/HP-BUS devices. Command injection can occur in the WebHMI component.

Frequently asked questions

What is CVE-2019-9743?: An issue was discovered on PHOENIX CONTACT RAD-80211-XD and RAD-80211-XD/HP-BUS devices. Command injection can occur in the WebHMI component.
How severe is CVE-2019-9743?: CVE-2019-9743 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-2019-9743 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9743?: CVE-2019-9743 primarily affects Phoenixcontact Rad-80211-xd/hp-bus Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9743?: 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-2019-9743 published?: CVE-2019-9743 was published on 2019-03-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:phoenixcontact:rad-80211-xd\/hp-bus_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:rad-80211-xd_firmware:-:*:*:*:*:*:*:*

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