{"cve":"CVE-2025-30648","nvd":{"published":"2025-04-09T20:15:28.300","modified":"2026-06-17T09:09:05.977","status":"Analyzed","description":"An Improper Input Validation vulnerability in the Juniper DHCP Daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause the jdhcpd process to crash resulting in a Denial of Service (DoS).\n\nWhen a specifically malformed DHCP packet is received from a DHCP client, the jdhcpd process crashes, which will lead to the unavailability of the DHCP service and thereby resulting in a sustained DoS. The DHCP process will restart automatically to recover the service.\n\nThis issue will occur when dhcp-security is enabled. \nThis issue affects Junos OS: \n\n\n\n  *  All versions before 21.2R3-S9, \n  *  from 21.4 before 21.4R3-S10, \n  *  from 22.2 before 22.2R3-S6, \n  *  from 22.4 before 22.4R3-S6, \n  *  from 23.2 before 23.2R2-S3, \n  *  from 23.4 before 23.4R2-S4, \n  *  from 24.2 before 24.2R2; \n\n\n\n\nJunos OS Evolved:   *  from 22.4 before 22.4R3-S6-EVO, \n  *  from 23.2 before 23.2R2-S3-EVO, \n  *  from 23.4 before 23.4R2-S4-EVO, \n  *  from 24.2 before 24.2R2-EVO.\n\n\n\n\n.","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","score":7.4},"cwes":["CWE-20"],"references":["https://supportportal.juniper.net/JSA96458"],"products":["juniper:junos","juniper:junos_os_evolved"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-30648","score":0.00232,"percentile":0.14156,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}