NULL pointer dereference in Juniper Acx7024
CVE-2025-59967
A NULL Pointer Dereference vulnerability in the PFE management daemon (evo-pfemand) of Juniper Networks Junos OS Evolved on ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509 devices allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). Whenever specific valid multicast traffic is received on any layer 3 interface the evo-pfemand process crashes and restarts. Continued receipt of specific valid multicast traffic results in a sustained Denial of Service (DoS) attack. This issue affects Junos OS Evolved on ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509: * from 23.2R2-EVO before 23.2R2-S4-EVO, * from 23.4R1-EVO before 23.4R2-EVO. This issue affects IPv4 and IPv6. This issue does not affect Junos OS Evolved ACX7024, ACX7024X, ACX7100-32C, ACX7100-48L, ACX7348, ACX7509 versions before 23.2R2-EVO.
EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Juniper Acx7024
- Juniper Acx7024x
- Juniper Acx7100-32c
- Juniper Acx7100-48l
- Juniper Acx7348
- Juniper Acx7509
- Juniper Junos_os_evolved — versions 23.2, 23.4
- Juniper Networks Junos Os Evolved — versions 23.2R2-EVO, 23.4R1-EVO
Weakness classification (CWE)
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59967?
- CVE-2025-59967 is a medium-severity vulnerability in Juniper Acx7024, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2025-10-09.
- How severe is CVE-2025-59967?
- Medium severity. CVSS v3 base score is 6.5 out of 10.