Denial of Service Vulnerability in Junos OS on MX Series by Juniper Networks
CVE-2026-102046

8.7HIGH

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Vendor
CVE Published:
14 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-102046?

A Loop with Unreachable Exit Condition vulnerability exists in the netsctp.ko component of Juniper Networks Junos OS on MX Series. This vulnerability allows an unauthenticated network attacker to exploit crafted SCTP network traffic, potentially causing a denial of service. Attackers can leverage this flaw to disrupt service and create network instability, making it essential for organizations using affected systems to implement appropriate security measures and apply any necessary patches.

Affected Version(s)

Junos OS MX Series 0 < 23.2R2-S7.7

Junos OS MX Series 23.4 < 23.4R2-S8.13

Junos OS MX Series 24.2 < 24.2R2-S5.5

References

https://supportportal.juniper.net/JSA112196
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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