CVE-2018-5839

CVE-2018-5839 is a high-severity vulnerability in Qualcomm Snapdragon Auto Firmware with a CVSS 3.x base score of 7.1. 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-269.

Key facts

• Severity: High (CVSS 3.x base score 7.1)
• CVSS v2: 6.6
• EPSS exploit prediction: 0% (11th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-269
• Affected product: Qualcomm Snapdragon Auto Firmware
• Published: 2019-02-25
• Last modified: 2026-06-17

Description

Improperly configured memory protection allows read/write access to modem image from HLOS kernel in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in versions MDM9150, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8996AU, QCS605, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM630, SDM660, SDX20, SXR1130.

Frequently asked questions

What is CVE-2018-5839?

Improperly configured memory protection allows read/write access to modem image from HLOS kernel in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in versions MDM9150, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9650, MDM9655, MSM8996AU, QCS605, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM630, SDM660, SDX20, SXR1130.

How severe is CVE-2018-5839?

CVE-2018-5839 has a CVSS 3.x base score of 7.1, 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 none.

Is CVE-2018-5839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5839?

CVE-2018-5839 primarily affects Qualcomm Snapdragon Auto Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-5839?

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-2018-5839 published?

CVE-2018-5839 was published on 2019-02-25 and last updated on 2026-06-17.

References

• http://www.securityfocus.com/bid/106845
• https://www.qualcomm.com/company/product-security/bulletins

Affected products (30)

• cpe:2.3:o:qualcomm:snapdragon_auto_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:snapdragon_compute_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:snapdragon_consumer_internet_of_things_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:snapdragon_industrial_internet_of_things_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9150_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9615_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9625_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9635m_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9640_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:mdm9655_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_636_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_675_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_712_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_710_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_670_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_820_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_820a_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:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_855_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_8cx_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sda660_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdx20_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sxr1130_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Snapdragon Auto Firmware

• CVE-2018-13914 — High (CVSS 7.8): Lack of input validation for data received from user space can lead to an out of bound array issue in Snapdragon Auto,…
• CVE-2018-13913 — High (CVSS 7.8): Improper validation of array index can lead to unauthorized access while processing debugFS in Snapdragon Auto,…
• CVE-2018-13912 — Medium (CVSS 5.5): Arbitrary write issue can occur when user provides kernel address in compat mode in Snapdragon Auto, Snapdragon…

All CVEs affecting Qualcomm Snapdragon Auto Firmware →

Other CWE-269 (Improper Privilege Management) vulnerabilities

• CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
• CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
• CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
• CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a     possible way to access adb before SUW…
• CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
• CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →