CVE intelligence and bounded remediation

CVE-2023-30383 — Tp-Link Archer C2 V1 Firmware security vulnerability

High CVSS 7.5

TP-LINK Archer C50v2 Archer C50(US)_V2_160801, TP-LINK Archer C20v1 Archer_C20_V1_150707, and TP-LINK Archer C2v1 Archer_C2_US__V1_170228 were discovered to contain a buffer overflow which may lead to a Denial of Service (DoS) when parsing crafted data.

Severity
High
CVSS
7.5 (3.1)
Published
2023-07-18
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-120

Affected products

  • tp-link / archer_c2_v1_firmware / 170228
  • tp-link / archer_c20_firmware / 150707
  • tp-link / archer_c50_firmware / 160801

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.