CVE-2019-2307 — Possible integer underflow due to lack of validation before calculation of data length in 802.11 Rx management configuration 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, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX20, SDX24

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CRITICAL

Possible integer underflow due to lack of validation before calculation of data length in 802.11 Rx management configuration 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, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX20, SDX24

Published Jul 25, 2019

9.8

CRITICAL

CVSS 3.0

EPSS 1.62%

Description

Possible integer underflow due to lack of validation before calculation of data length in 802.11 Rx management configuration 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, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX20, SDX24

Affected products

Vendor Qualcomm, Inc. Product n/a Default
n/a
- Version
  MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX20, SDX24
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Qualcomm, Inc.

n/a

Version	Status	Constraints
MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX20, SDX24	affected	-

Remediation

No remediation recorded yet.

Metrics

1.62% 0.01621

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.01621

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	1.62% (0.01621)	75.26th	v5 (v2026.06.15)
Jun 15, 2026	1.62% (0.01621)	72.88th	v5 (v2026.06.15)
Mar 30, 2025	0.64% (0.00636)	68.02th	v4 (v2025.03.14)
Mar 29, 2025	2.04% (0.02045)	73.11th	v4 (v2025.03.14)
Jul 20, 2024	0.25% (0.00251)	65.42th	v3 (v2023.03.01)
Feb 8, 2024	0.25% (0.00251)	64.05th	v3 (v2023.03.01)
Mar 7, 2023	0.25% (0.00251)	61.15th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	9.03% (0.09029)	86.86th	v2 (v2022.01.01)
Feb 3, 2022	2.74% (0.02742)	63.06th	v1
Jan 6, 2022	2.74% (0.02742)	62.72th	v1
Jan 5, 2022	0.62% (0.00624)	46.35th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (2)

CWE-125

Out-of-bounds Read

CWE-191

References (2)

http://www.securityfocus.com/bid/109383
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://www.codeaurora.org/security-bulletin/2019/07/01/july-2019-code-aurora-security-bulletin
x_refsource_CONFIRMPatchThird Party Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/109383		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://www.codeaurora.org/security-bulletin/2019/07/01/july-2019-code-aurora-security-bulletin		x_refsource_CONFIRMPatchThird Party Advisory