How severe is CVE-2023-1748?

CVE-2023-1748 has a CVSS 3.x base score of 9.3, 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 none, and availability low.

Is CVE-2023-1748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1748?

CVE-2023-1748 primarily affects Getnexx Nxal-100 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-1748?

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.

When was CVE-2023-1748 published?

CVE-2023-1748 was published on 2023-04-04 and last updated on 2026-06-17.

CVE-2023-1748

CVE-2023-1748 is a critical-severity vulnerability in Getnexx Nxal-100 Firmware with a CVSS 3.x base score of 9.3. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Getnexx Nxal-100 Firmware
Published: 2023-04-04
Last modified: 2026-06-17

Description

The listed versions of Nexx Smart Home devices use hard-coded credentials. An attacker with unauthenticated access to the Nexx Home mobile application or the affected firmware could view the credentials and access the MQ Telemetry Server (MQTT) server and the ability to remotely control garage doors or smart plugs for any customer.

Frequently asked questions

What is CVE-2023-1748?: The listed versions of Nexx Smart Home devices use hard-coded credentials. An attacker with unauthenticated access to the Nexx Home mobile application or the affected firmware could view the credentials and access the MQ Telemetry Server (MQTT) server and the ability to remotely control garage doors or smart plugs for any customer.
How severe is CVE-2023-1748?: CVE-2023-1748 has a CVSS 3.x base score of 9.3, 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 none, and availability low.
Is CVE-2023-1748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1748?: CVE-2023-1748 primarily affects Getnexx Nxal-100 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-1748?: 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.
When was CVE-2023-1748 published?: CVE-2023-1748 was published on 2023-04-04 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-094-01

Affected products (4)

cpe:2.3:o:getnexx:nxal-100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:getnexx:nxg-100b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:getnexx:nxpg-100w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:getnexx:nxg-200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Getnexx Nxal-100 Firmware

CVE-2023-1752 — High (CVSS 8.1): The listed versions of Nexx Smart Home devices could allow any user to register an already registered alarm or…
CVE-2023-1751 — High (CVSS 7.5): The listed versions of Nexx Smart Home devices use a WebSocket server that does not validate if the bearer token in the…
CVE-2023-1750 — High (CVSS 7.1): The listed versions of Nexx Smart Home devices lack proper access control when executing actions. An attacker with a…
CVE-2023-1749 — Medium (CVSS 6.5): The listed versions of Nexx Smart Home devices lack proper access control when executing actions. An attacker with a…

All CVEs affecting Getnexx Nxal-100 Firmware →

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