{"schema_version":1,"title":"OpenWrt Odhcpd vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in OpenWrt Odhcpd: 0 in the last 7 days and 5 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55606, was published on 23 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0.","url":"https://junglewise.ai/threats/technologies/odhcpd","json_url":"https://junglewise.ai/threats/technologies/odhcpd.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/odhcpd","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":0,"all_time":5,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":4,"last_90_days":5,"last_365_days":5},"latest":[{"cve":"CVE-2026-55606","cvss":6.5,"slug":"cve-2026-55606-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd out-of-bounds read in DHCPv6 self-loop detection","severity":"medium","exploited":false,"published_at":"2026-10-23T14:17:53.85+00:00","url":"https://junglewise.ai/threats/cve-2026-55606-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53921","cvss":9.8,"slug":"cve-2026-53921-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd DHCPv6 stack buffer overflow in IA response handler","severity":"critical","exploited":false,"published_at":"2026-10-23T14:17:53.71+00:00","url":"https://junglewise.ai/threats/cve-2026-53921-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53920","slug":"cve-2026-53920-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd DHCPv6 IA parser stack buffer overread","severity":"info","exploited":false,"published_at":"2026-10-23T14:17:53.573+00:00","url":"https://junglewise.ai/threats/cve-2026-53920-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53918","slug":"cve-2026-53918-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd heap-use-after-free in DHCPv6 IA handler","severity":"info","exploited":false,"published_at":"2026-10-23T14:17:53.423+00:00","url":"https://junglewise.ai/threats/cve-2026-53918-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53922","cvss":6.5,"epss":0.0035,"slug":"cve-2026-53922-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd integer underflow in DHCPv6 IA handling","severity":"medium","exploited":false,"published_at":"2026-10-12T22:17:04.623+00:00","url":"https://junglewise.ai/threats/cve-2026-53922-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-19","critical":1,"exploited":0,"vulnerabilities":4},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"OpenWrt","slug":"openwrt","vulnerabilities":22,"url":"https://junglewise.ai/threats/technologies/openwrt"},{"name":"OpenWrt LuCI","slug":"luci","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/luci"}],"technology":{"hub":true,"name":"OpenWrt Odhcpd","slug":"odhcpd","vendor":{"hub":true,"name":"OpenWrt","slug":"openwrt","url":"https://junglewise.ai/threats/vendors/openwrt"},"aliases":[],"category":"service","description":"DHCP server implementation for OpenWrt that manages IP address allocation.","url":"https://junglewise.ai/threats/technologies/odhcpd"},"most_severe":[{"cve":"CVE-2026-53921","cvss":9.8,"slug":"cve-2026-53921-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd DHCPv6 stack buffer overflow in IA response handler","severity":"critical","exploited":false,"published_at":"2026-10-23T14:17:53.71+00:00","url":"https://junglewise.ai/threats/cve-2026-53921-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53922","cvss":6.5,"epss":0.0035,"slug":"cve-2026-53922-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd integer underflow in DHCPv6 IA handling","severity":"medium","exploited":false,"published_at":"2026-10-12T22:17:04.623+00:00","url":"https://junglewise.ai/threats/cve-2026-53922-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-55606","cvss":6.5,"slug":"cve-2026-55606-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd out-of-bounds read in DHCPv6 self-loop detection","severity":"medium","exploited":false,"published_at":"2026-10-23T14:17:53.85+00:00","url":"https://junglewise.ai/threats/cve-2026-55606-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53920","slug":"cve-2026-53920-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd DHCPv6 IA parser stack buffer overread","severity":"info","exploited":false,"published_at":"2026-10-23T14:17:53.573+00:00","url":"https://junglewise.ai/threats/cve-2026-53920-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"},{"cve":"CVE-2026-53918","slug":"cve-2026-53918-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used","title":"odhcpd heap-use-after-free in DHCPv6 IA handler","severity":"info","exploited":false,"published_at":"2026-10-23T14:17:53.423+00:00","url":"https://junglewise.ai/threats/cve-2026-53918-odhcpd-is-the-dhcpv6-dhcpv4-and-router-advertisement-server-used"}],"generated_at":"2026-11-12T03:07:00.164048+00:00"}