CVE intelligence and bounded remediation

CVE-2019-5914 — Nttdocomo V20 Pro L-01J Firmware security vulnerability

Medium CVSS 5.7

V20 PRO L-01J software version L01J20c and L01J20d has a NULL pointer exception flaw that can be used by an attacker to cause the device to crash on the same network range via a specially crafted access point.

Severity
Medium
CVSS
5.7 (2.0)
Published
2019-02-13
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-476

Affected products

  • nttdocomo / v20_pro_l-01j_firmware / l01j20c
  • nttdocomo / v20_pro_l-01j_firmware / l01j20d

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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