How severe is CVE-2018-3591?

CVE-2018-3591 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-2018-3591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3591?

CVE-2018-3591 primarily affects Qualcomm Mdm9206 Firmware. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-3591?

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-2018-3591 published?

CVE-2018-3591 was published on 2018-04-11 and last updated on 2026-06-17.

CVE-2018-3591

CVE-2018-3591 is a critical-severity vulnerability in Qualcomm Mdm9206 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-1188.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Qualcomm Mdm9206 Firmware
Published: 2018-04-11
Last modified: 2026-06-17

Description

In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile and Snapdragon Wear MDM9206, MDM9607, MDM9635M, MDM9650, MDM9655, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 820, SD 835, SD 845, SDM630, SDM636, SDM660, Snapdragon_High_Med_2016, the default build configuration of deviceprogrammer in BOOT.BF.3.0 enables the flag SKIP_SECBOOT_CHECK_NOT_RECOMMENDED_BY_QUALCOMM which will open up the peek and poke commands to any memory location on the target.

Frequently asked questions

What is CVE-2018-3591?: In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile and Snapdragon Wear MDM9206, MDM9607, MDM9635M, MDM9650, MDM9655, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 820, SD 835, SD 845, SDM630, SDM636, SDM660, Snapdragon_High_Med_2016, the default build configuration of deviceprogrammer in BOOT.BF.3.0 enables the flag SKIP_SECBOOT_CHECK_NOT_RECOMMENDED_BY_QUALCOMM which will open up the peek and poke commands to any memory location on the target.
How severe is CVE-2018-3591?: CVE-2018-3591 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-2018-3591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3591?: CVE-2018-3591 primarily affects Qualcomm Mdm9206 Firmware. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-3591?: 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-2018-3591 published?: CVE-2018-3591 was published on 2018-04-11 and last updated on 2026-06-17.

References

Affected products (27)

cpe:2.3:o:qualcomm:mdm9206_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9607_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9635m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9655_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_212_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_412_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_425_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_615_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_616_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_415_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_427_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_625_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_652_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_435_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm636_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Mdm9206 Firmware

CVE-2018-11922 — Critical (CVSS 9.8): Wrong configuration in Touch Pal application can collect user behavior data without awareness by the user.
CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
CVE-2022-33259 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.
CVE-2022-33211 — Critical (CVSS 9.8): memory corruption in modem due to improper check while calculating size of serialized CoAP message
CVE-2022-25740 — Critical (CVSS 9.8): Memory corruption in modem due to buffer overwrite while building an IPv6 multicast address based on the MAC address of…
CVE-2022-25678 — Critical (CVSS 9.8): Memory correction in modem due to buffer overwrite during coap connection

All CVEs affecting Qualcomm Mdm9206 Firmware →

Other CWE-1188 (Insecure Default Initialization of Resource) vulnerabilities

CVE-2026-31957 — Critical (CVSS 10.0): Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 3.0.0 to before 3.1.0, if…
CVE-2025-41672 — Critical (CVSS 10.0): A remote unauthenticated attacker may use default certificates to generate JWT Tokens and gain full access to the tool…
CVE-2024-0001 — Critical (CVSS 10.0): A condition exists in FlashArray Purity whereby a local account intended for initial array configuration remains active…
CVE-2024-2912 — Critical (CVSS 10.0): An insecure deserialization vulnerability exists in the BentoML framework, allowing remote code execution (RCE) by…
CVE-2021-34795 — Critical (CVSS 10.0): Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON)…
CVE-2017-7964 — Critical (CVSS 10.0): Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for…

Browse all CWE-1188 (Insecure Default Initialization of Resource) vulnerabilities →