How severe is CVE-2025-2329?

CVE-2025-2329 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2025-2329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-2329?

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

Does CVE-2025-2329 have an EU (EUVD) identifier?

Yes. CVE-2025-2329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22722.

When was CVE-2025-2329 published?

CVE-2025-2329 was published on 2025-07-25 and last updated on 2026-06-17.

CVE-2025-2329

CVE-2025-2329 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. 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-908.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22722
Weakness: CWE-908
Published: 2025-07-25
Last modified: 2026-06-17

Description

In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host, causing the host to reset the RCP which results in a denial of service.

Frequently asked questions

What is CVE-2025-2329?: In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host, causing the host to reset the RCP which results in a denial of service.
How severe is CVE-2025-2329?: CVE-2025-2329 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2025-2329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-2329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-2329 have an EU (EUVD) identifier?: Yes. CVE-2025-2329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22722.
When was CVE-2025-2329 published?: CVE-2025-2329 was published on 2025-07-25 and last updated on 2026-06-17.

References

Other CWE-908 (Use of Uninitialized Resource) vulnerabilities

CVE-2025-1942 — Critical (CVSS 9.8): When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated…
CVE-2024-47540 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable…
CVE-2024-32611 — Critical (CVSS 9.8): HDF5 Library through 1.14.3 may use an uninitialized value in H5A__attr_release_table in H5Aint.c.
CVE-2023-24941 — Critical (CVSS 9.8): Windows Network File System Remote Code Execution Vulnerability
CVE-2022-26437 — Critical (CVSS 9.8): In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation…
CVE-2021-45703 — Critical (CVSS 9.8): An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvParser::<T>::process may read from…

Browse all CWE-908 (Use of Uninitialized Resource) vulnerabilities →