CVE-2018-11966 — Undefined behavior in UE while processing unknown IEI in OTA message in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SM7150, Snapdragon_High_Med_2016, SXR1130

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HIGH

Undefined behavior in UE while processing unknown IEI in OTA message in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SM7150, Snapdragon_High_Med_2016, SXR1130

Published Apr 4, 2019

7.8

HIGH

CVSS 3.0

EPSS 0.21%

Description

Undefined behavior in UE while processing unknown IEI in OTA message in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SM7150, Snapdragon_High_Med_2016, SXR1130

Affected products

Vendor Qualcomm, Inc. Product n/a Default
n/a
- Version
  MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SM7150, Snapdragon_High_Med_2016, SXR1130
  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, MDM9655, MSM8909W, MSM8996AU, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SM7150, Snapdragon_High_Med_2016, SXR1130	affected	-

Remediation

No remediation recorded yet.

Metrics

0.21% 0.00208

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00208

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	0.21% (0.00208)	9.89th	v5 (v2026.06.15)
Sep 20, 2026	0.21% (0.00208)	11.32th	v5 (v2026.06.15)
Jul 20, 2024	0.04% (0.00044)	12.95th	v3 (v2023.03.01)
May 25, 2024	0.04% (0.00044)	12.27th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	10.26th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.42% (0.00416)	10.04th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1

Weaknesses (1)

CWE-20

Improper Input Validation

References (1)

https://www.qualcomm.com/company/product-security/bulletins
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://www.qualcomm.com/company/product-security/bulletins		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner qualcomm

Published Apr 4, 2019

Updated Aug 5, 2024

Reserved Jun 7, 2018

Link CVE-2018-11966

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-11966

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-11966