CVE-2018-11871 — Buffer overwrite can happen in WLAN function while processing set pdev parameter command due to lack of input validation in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version IPQ4019, IPQ8064, IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6564, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, SDX20, Snapdragon_High_Med_2016

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HIGH

Buffer overwrite can happen in WLAN function while processing set pdev parameter command due to lack of input validation in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version IPQ4019, IPQ8064, IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6564, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, SDX20, Snapdragon_High_Med_2016

Published Oct 29, 2018

7.8

HIGH

CVSS 3.0

EPSS 0.23%

Description

Buffer overwrite can happen in WLAN function while processing set pdev parameter command due to lack of input validation in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version IPQ4019, IPQ8064, IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6564, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, SDX20, Snapdragon_High_Med_2016.

Affected products

Vendor Qualcomm, Inc. Product Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear Default
n/a
- Version
  IPQ4019, IPQ8064, IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6564, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, SDX20, Snapdragon_High_Med_2016
  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.

Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

n/a

Version	Status	Constraints
IPQ4019, IPQ8064, IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6564, QCA6574, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, QCA9531, QCA9558, QCA9563, QCA9880, QCA9886, QCA9980, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, SDX20, Snapdragon_High_Med_2016	affected	-

Remediation

No remediation recorded yet.

Metrics

0.23% 0.00227

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.00227

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 2, 2026	0.23% (0.00227)	12.26th	v5 (v2026.06.15)
Sep 20, 2026	0.23% (0.00227)	13.75th	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	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-119

Buffer Overflow

References (2)

http://www.securityfocus.com/bid/107681
vdb-entryx_refsource_BID
https://www.qualcomm.com/company/product-security/bulletins
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/107681		vdb-entryx_refsource_BID
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 Oct 29, 2018

Updated Aug 5, 2024

Reserved Jun 7, 2018

Link CVE-2018-11871

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-11871

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-11871