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THREATINT
PUBLISHED

CVE-2025-30651

Junos OS and Junos OS Evolved: Receipt of a specific ICMPv6 packet causes a memory overrun leading to an rpd crash



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). 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.  This issue only affects systems configured with IPv6. This issue affects Junos OS:  * All versions before 21.2R3-S9,  * from 21.4 before 21.4R3-S10, * from 22.2 before 22.2R3-S6, * from 22.4 before 22.4R3-S4, * from 23.2 before 23.2R2-S2, * from 23.4 before 23.4R2; and Junos OS Evolved: * All versions before 21.2R3-S9-EVO, * from 21.4-EVO before 21.4R3-S10-EVO, * from 22.2-EVO before 22.2R3-S6-EVO, * from 22.4-EVO before 22.4R3-S4-EVO, * from 23.2-EVO before 23.2R2-S2-EVO, * from 23.4-EVO before 23.4R2-EVO.

Reserved 2025-03-24 | Published 2025-04-09 | Updated 2025-04-09 | Assigner juniper


HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Problem types

CWE-805 Buffer Access with Incorrect Length Value

Product status

Default status
unaffected

Any version before 21.2R3-S9
affected

21.4 before 21.4R3-S10
affected

22.2 before 22.2R3-S6
affected

22.4 before 22.4R3-S4
affected

23.2 before 23.2R2-S2
affected

23.4 before 23.4R2
affected

Default status
unaffected

Any version before 21.2R3-S9-EVO
affected

21.4-EVO before 21.4R3-S10-EVO
affected

22.2-EVO before 22.2R3-S6-EVO
affected

22.4-EVO before 22.4R3-S4-EVO
affected

23.2-EVO before 23.2R2-S2-EVO
affected

23.4-EVO before 23.4R2-EVO
affected

Timeline

2025-04-09:Initial Publication

References

supportportal.juniper.net/JSA96461 vendor-advisory

cve.org (CVE-2025-30651)

nvd.nist.gov (CVE-2025-30651)

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