CVE intelligence and bounded remediation

CVE-2018-11953 — Qualcomm Mdm9150 Firmware security vulnerability

Critical CVSS 9.8

While processing ssid IE length from remote AP, possible out-of-bounds access may occur due to crafted ssid IE length in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 650/52, SD 820, SD 820A, SDM439, SDX20

Severity
Critical
CVSS
9.8 (3.0)
Published
2019-05-24
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-125

Affected products

  • qualcomm / mdm9150_firmware
  • qualcomm / mdm9206_firmware
  • qualcomm / mdm9607_firmware
  • qualcomm / mdm9640_firmware
  • qualcomm / mdm9650_firmware
  • qualcomm / msm8909w_firmware

Showing 6 representative product identities from 30 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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