CVE intelligence and bounded remediation
CVE-2018-19242 — Trendnet Tew-632Brp Firmware security vulnerability
High
CVSS 8.8
Buffer overflow in apply.cgi on TRENDnet TEW-632BRP 1.010B32 and TEW-673GRU devices allows attackers to hijack the control flow to any attacker-specified location by crafting a POST request payload (with authentication).
- Severity
- High
- CVSS
- 8.8 (3.0)
- Published
- 2018-12-20
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-119
Affected products
- trendnet / tew-632brp_firmware / 1.010b32
- trendnet / tew-673gru_firmware / 1.00b40
Matched remediation archetype
Buffer bounds, memory safety, and memory corruption
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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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