CVE intelligence and bounded remediation

CVE-2023-38930 — Tenda Ac7 Firmware security vulnerability

Critical CVSS 9.8

Tenda AC7 V1.0,V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0,V15.03.06.28, AC9 V3.0,V15.03.06.42_multi and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the deviceId parameter in the addWifiMacFilter function.

Severity
Critical
CVSS
9.8 (3.1)
Published
2023-08-07
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-787

Affected products

  • tenda / ac7_firmware / 15.03.06.44
  • tenda / f1203_firmware / 2.0.1.6
  • tenda / fh1205_firmware / 2.0.0.7(775)
  • tenda / ac5_firmware / 15.03.06.28
  • tenda / ac9_firmware / 15.03.06.42_multi

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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