CVE-2026-102046 Juniper Networks Junos OS - Denial of Service

Juniper Networks Junos OS on MX Series contains an infinite loop vulnerability caused by unreachable exit condition in netsctp.ko, letting unauthenticated network attackers cause denial of service via crafted SCTP traffic, exploit requires network access.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-835

Vendor fix

Update to the latest Junos OS version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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