Reachable Assertion Vulnerability in Junos OS Daemon by Juniper Networks
CVE-2026-102058

7.1HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists

What is CVE-2026-102058?

A reachable assertion vulnerability has been identified in the bfdd daemon of Juniper Networks' Junos OS and Junos OS Evolved platforms. This allows an unauthenticated adjacent attacker to trigger a denial of service condition by sending specially crafted BFD session traffic, effectively causing the daemon to restart. It is crucial for organizations using these affected platforms to review their network configurations and security measures to mitigate potential risks.

Affected Version(s)

Junos OS 0 < 23.2R2-S7.7

Junos OS 23.4 < 23.4R2-S8.13

Junos OS 24.2 < 24.2R2-S5.5

References

https://supportportal.juniper.net/JSA112187
vendor-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent 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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