Expired Pointer Dereference Vulnerability in Junos OS by Juniper Networks
CVE-2025-30653

6MEDIUM

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Junos Os Evolved
Vendor
CVE Published:
9 April 2025

Badges

👾 Exploit Exists

What is CVE-2025-30653?

An Expired Pointer Dereference flaw in the Routing Protocol Daemon (rpd) of Junos OS and Junos OS Evolved enables adjacent, unauthenticated attackers to induce Denial of Service (DoS). This issue occurs in systems configured with node-link protection and specific transport classes. When an MPLS Label-Switched Path (LSP) experiences flapping, rpd may crash and restart. Prolonged LSP flapping can lead to a continuous state of Denial of Service, significantly disrupting network operations.

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Affected Version(s)

Junos OS 0 < 22.2R3-S4

Junos OS 22.4 < 22.4R3-S2

Junos OS 23.2 < 23.2R2

References

https://supportportal.juniper.net/JSA96463
vendor-advisory

CVSS V4

Score:
6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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