How severe is CVE-2018-3581?

CVE-2018-3581 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3581 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3581?

CVE-2018-3581 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3581?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-3581 published?

CVE-2018-3581 was published on 2018-06-12 and last updated on 2026-06-17.

CVE-2018-3581

CVE-2018-3581 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.8. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Google Android
Published: 2018-06-12
Last modified: 2026-06-17

Description

In the WLAN driver in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel, a buffer overwrite can occur if the vdev_id received from firmware is larger than max_bssid.

Frequently asked questions

What is CVE-2018-3581?: In the WLAN driver in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel, a buffer overwrite can occur if the vdev_id received from firmware is larger than max_bssid.
How severe is CVE-2018-3581?: CVE-2018-3581 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3581 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3581?: CVE-2018-3581 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3581?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-3581 published?: CVE-2018-3581 was published on 2018-06-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

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