Vulnerability Details CVE-2025-30659
An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
When a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.
This issue affects Junos OS on SRX Series:
* All 21.4 versions,
* 22.2 versions before 22.2R3-S6,
* 22.4 versions before 22.4R3-S6,
* 23.2 versions before 23.2R2-S3,
* 23.4 versions before 23.4R2-S4,
* 24.2 versions before 24.2R2.
This issue does not affect versions before 21.4.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.5%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2025-30659
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cpe:2.3:h:juniper:srx1500:-
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cpe:2.3:h:juniper:srx1600:-
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cpe:2.3:h:juniper:srx2300:-
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cpe:2.3:h:juniper:srx300:-
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cpe:2.3:h:juniper:srx320:-
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cpe:2.3:h:juniper:srx340:-
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cpe:2.3:h:juniper:srx345:-
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cpe:2.3:h:juniper:srx380:-
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cpe:2.3:h:juniper:srx4100:-
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cpe:2.3:h:juniper:srx4120:-
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cpe:2.3:h:juniper:srx4200:-
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cpe:2.3:h:juniper:srx4300:-
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cpe:2.3:h:juniper:srx4600:-
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cpe:2.3:h:juniper:srx4700:-
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cpe:2.3:h:juniper:srx5400:-
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cpe:2.3:h:juniper:srx5600:-
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cpe:2.3:h:juniper:srx5800:-
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cpe:2.3:o:juniper:junos:21.4
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cpe:2.3:o:juniper:junos:22.2
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cpe:2.3:o:juniper:junos:22.4
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cpe:2.3:o:juniper:junos:23.2
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cpe:2.3:o:juniper:junos:23.4
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cpe:2.3:o:juniper:junos:24.2