Is CVE-2026-53921 in the CISA Known Exploited Vulnerabilities catalog?

CVE-2026-53921 is not currently listed in the CISA KEV catalog.

Vulnerability intelligence

CVE-2026-53921: OpenWrt stack buffer overflow

OpenWrt's DHCPv6 flaw grants unauthenticated root access over UDP — only federal agencies face a patching deadline.

2026

What WebPulse reported · 1 analysis

OpenWrt's DHCPv6 flaw grants unauthenticated root access over UDP — only federal agencies face a patching deadline.

Related vulnerabilities

CVE-2026-9082 CVE-2026-60137 CVE-2026-50549 CVE-2026-50548 CVE-2026-8206 CVE-2026-8181 CVE-2026-63030 CVE-2026-10795