How severe is CVE-2025-12890?

CVE-2025-12890 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-2025-12890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12890?

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

Does CVE-2025-12890 have an EU (EUVD) identifier?

Yes. CVE-2025-12890 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38327.

When was CVE-2025-12890 published?

CVE-2025-12890 was published on 2025-11-07 and last updated on 2026-10-13.

CVE-2025-12890

CVE-2025-12890 is a medium-severity vulnerability 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-703.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-38327
Weakness: CWE-703
Published: 2025-11-07
Last modified: 2026-10-13

Description

Improper handling of malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.

Frequently asked questions

What is CVE-2025-12890?: Improper handling of malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.
How severe is CVE-2025-12890?: CVE-2025-12890 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-2025-12890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12890 have an EU (EUVD) identifier?: Yes. CVE-2025-12890 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38327.
When was CVE-2025-12890 published?: CVE-2025-12890 was published on 2025-11-07 and last updated on 2026-10-13.

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8hrf-pfww-83v9

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