How severe is CVE-2023-5310?

CVE-2023-5310 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-5310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5310?

CVE-2023-5310 affects Silabs Z-wave Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5310?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-5310 published?

CVE-2023-5310 was published on 2023-12-15 and last updated on 2026-06-17.

CVE-2023-5310

CVE-2023-5310 is a medium-severity vulnerability in Silabs Z-wave Software Development Kit with a CVSS 3.x base score of 5.7. 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-248.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-248
Affected product: Silabs Z-wave Software Development Kit
Published: 2023-12-15
Last modified: 2026-06-17

Description

A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.

Frequently asked questions

What is CVE-2023-5310?: A denial of service vulnerability exists in all Silicon Labs Z-Wave controller and endpoint devices running Z-Wave SDK v7.20.3 (Gecko SDK v4.3.3) and earlier. This attack can be carried out only by devices on the network sending a stream of packets to the device.
How severe is CVE-2023-5310?: CVE-2023-5310 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-5310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5310?: CVE-2023-5310 affects Silabs Z-wave Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5310 published?: CVE-2023-5310 was published on 2023-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:silabs:z-wave_software_development_kit:*:*:*:*:*:*:*:*

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