CVE Alert: CVE-2025-52947
Vulnerability Summary: CVE-2025-52947
An Improper Handling of Exceptional Conditions vulnerability in route processing of Juniper Networks Junos OS on specific end-of-life (EOL) ACX Series platforms allows an attacker to crash the Forwarding Engine Board (FEB) by flapping an interface, leading to a Denial of Service (DoS). On ACX1000, ACX1100, ACX2000, ACX2100, ACX2200, ACX4000, ACX5048, and ACX5096 devices, FEB0 will crash when the primary path port of the L2 circuit IGP (Interior Gateway Protocol) on the local device goes down. This issue is seen only when ‘hot-standby’ mode is configured for the L2 circuit. This issue affects Junos OS on ACX1000, ACX1100, ACX2000, ACX2100, ACX2200, ACX4000, ACX5048, and ACX5096: * all versions before 21.2R3-S9.
Affected Endpoints:
No affected endpoints listed.
Published Date:
7/11/2025, 3:15:25 PM
⚠️ CVSS Score:
Exploit Status:
Not ExploitedReferences:
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
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