HOMEVULNERABILITIESCVE-2019-2309
CRITICAL

CVE-2019-2309

CWE-190Published: July 25, 2019· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

While storing calibrated data from firmware in cache, An integer overflow may occur since data length received may exceed real data length. in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, SD 210/SD 212/SD 205, SD 425, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 820A, SD 845 / SD 850, SDM660, SDX20

NVD Source

Technical Analysis

CVE-2019-2309 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Qualcomm48 product(s)
mdm9150 firmwaremdm9150mdm9206 firmwaremdm9206mdm9607 firmwaremdm9607mdm9640 firmwaremdm9640mdm9650 firmwaremdm9650msm8996au firmwaremsm8996au+36
Source: NVD CPE · 48 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2019-2309
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-190
CISA KEVNo
Affected1 vendor(s)
PublishedJul 25, 2019

Related CVEs (CWE-190)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-2309 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.