How severe is CVE-2025-12131?

CVE-2025-12131 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-12131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12131?

CVE-2025-12131 affects Silabs Simplicity Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12131?

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

Does CVE-2025-12131 have an EU (EUVD) identifier?

Yes. CVE-2025-12131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206827.

When was CVE-2025-12131 published?

CVE-2025-12131 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2025-12131

CVE-2025-12131 is a medium-severity vulnerability in Silabs Simplicity Software Development Kit with a CVSS 3.x base score of 6.5. 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-617.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 5.3
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206827
Weakness: CWE-617
Affected product: Silabs Simplicity Software Development Kit
Published: 2026-02-05
Last modified: 2026-06-17

Description

A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service.

Frequently asked questions

What is CVE-2025-12131?: A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service.
How severe is CVE-2025-12131?: CVE-2025-12131 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-12131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12131?: CVE-2025-12131 affects Silabs Simplicity Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12131 have an EU (EUVD) identifier?: Yes. CVE-2025-12131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206827.
When was CVE-2025-12131 published?: CVE-2025-12131 was published on 2026-02-05 and last updated on 2026-06-17.

References

https://community.silabs.com/068Vm00000g8dP3

Affected products (1)

cpe:2.3:a:silabs:simplicity_software_development_kit:*:*:*:*:*:*:*:*

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