CVE intelligence and bounded remediation

CVE-2020-3652 — Qualcomm Msm8998 Firmware security vulnerability

Critical CVSS 9.1

Possible buffer over-read issue in windows x86 wlan driver function while processing beacon or request frame due to lack of check of length of variable received. in Snapdragon Compute, Snapdragon Connectivity in MSM8998, QCA6390, SC7180, SC8180X, SDM850

Severity
Critical
CVSS
9.1 (3.1)
Published
2020-04-16
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-20, CWE-125

Affected products

  • qualcomm / msm8998_firmware
  • qualcomm / qca6390_firmware
  • qualcomm / sc7180_firmware
  • qualcomm / sc8180x_firmware
  • qualcomm / sdm850_firmware

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

The detailed catalog view below loads this exact record, its source evidence, and the full seven-phase agentic change plan.