CVE intelligence and bounded remediation

CVE-2024-0542 — A vulnerability was found in Tenda W9 1.0.0.7(4456)

Critical CVSS 9.8

A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been rated as critical. Affected by this issue is the function formWifiMacFilterGet of the component httpd. The manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250712. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity
Critical
CVSS
9.8 (3.1)
Published
2024-01-15
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-121, CWE-787

Affected products

  • tenda / w9_firmware / 1.0.0.7(4456)

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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