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CVE-2026-42021

9.1 critical SSVC exploitation: none Deferred
NVD · CVE.org

Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities. This vulnerability concerns the static_dns1 parameter.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusPublished → DeferredNVD modified 2026-10-22 15:31
  2. StatusReceived → PublishedNVD modified 2026-10-20 20:25
  3. First seenCVSS 9.1NVD modified 2026-10-20 21:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1