How severe is CVE-2018-3589?

CVE-2018-3589 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3589?

CVE-2018-3589 primarily affects Qualcomm Mdm9650 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-3589?

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

When was CVE-2018-3589 published?

CVE-2018-3589 was published on 2018-04-11 and last updated on 2026-06-17.

CVE-2018-3589

CVE-2018-3589 is a critical-severity vulnerability in Qualcomm Mdm9650 Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Qualcomm Mdm9650 Firmware
Published: 2018-04-11
Last modified: 2026-06-17

Description

In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile MDM9650, MDM9655, SD 835, SD 845, SD 850, the vswr capture size is larger than the maximum size of a diag logPacket, which can lead to a buffer overflow when the sample buffer is copied to the logPacket buffer.

Frequently asked questions

What is CVE-2018-3589?: In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile MDM9650, MDM9655, SD 835, SD 845, SD 850, the vswr capture size is larger than the maximum size of a diag logPacket, which can lead to a buffer overflow when the sample buffer is copied to the logPacket buffer.
How severe is CVE-2018-3589?: CVE-2018-3589 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3589?: CVE-2018-3589 primarily affects Qualcomm Mdm9650 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-3589?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-3589 published?: CVE-2018-3589 was published on 2018-04-11 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9655_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_850_firmware:-:*:*:*:*:*:*:*

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