CVE-2025-30651
Severity CVSS v4.0:
HIGH
Type:
Unavailable / Other
Publication date:
09/04/2025
Last modified:
11/04/2025
Description
A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).<br />
When an attacker sends a specific ICMPv6 packet to an interface with "protocols router-advertisement" configured, rpd crashes and restarts. Continued receipt of this packet will cause a sustained DoS condition. <br />
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This issue only affects systems configured with IPv6.<br />
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This issue affects Junos OS: <br />
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* All versions before 21.2R3-S9, <br />
* from 21.4 before 21.4R3-S10, <br />
* from 22.2 before 22.2R3-S6, <br />
* from 22.4 before 22.4R3-S4, <br />
* from 23.2 before 23.2R2-S2, <br />
* from 23.4 before 23.4R2; <br />
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and Junos OS Evolved: <br />
* All versions before 21.2R3-S9-EVO, <br />
* from 21.4-EVO before 21.4R3-S10-EVO, <br />
* from 22.2-EVO before 22.2R3-S6-EVO, <br />
* from 22.4-EVO before 22.4R3-S4-EVO, <br />
* from 23.2-EVO before 23.2R2-S2-EVO, <br />
* from 23.4-EVO before 23.4R2-EVO.
Impact
Base Score 4.0
8.70
Severity 4.0
HIGH
Base Score 3.x
7.50
Severity 3.x
HIGH