How severe is CVE-2025-12035?

CVE-2025-12035 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-2025-12035 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12035?

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

Does CVE-2025-12035 have an EU (EUVD) identifier?

Yes. CVE-2025-12035 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203444.

When was CVE-2025-12035 published?

CVE-2025-12035 was published on 2025-12-15 and last updated on 2026-06-17.

CVE-2025-12035

CVE-2025-12035 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203444
Weakness: CWE-190
Published: 2025-12-15
Last modified: 2026-06-17

Description

An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.

Frequently asked questions

What is CVE-2025-12035?: An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.
How severe is CVE-2025-12035?: CVE-2025-12035 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-2025-12035 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12035?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12035 have an EU (EUVD) identifier?: Yes. CVE-2025-12035 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203444.
When was CVE-2025-12035 published?: CVE-2025-12035 was published on 2025-12-15 and last updated on 2026-06-17.

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p793-3456-h7w3

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