CVE-2026-103408 — HIGH (8.8)

Vulnerability Description

A Stack Buffer Overflow vulnerability in the DHCP client in Juniper Networks Session Smart Router allows an unauthenticated attacker on the local network to achieve remote code execution via a malicious DHCP reply.

CVSS Score

8.8

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-121

References

https://supportportal.juniper.net/JSA112183

FAQ

What is CVE-2026-103408?

CVE-2026-103408 is a vulnerability with a CVSS score of 8.8 (HIGH). A Stack Buffer Overflow vulnerability in the DHCP client in Juniper Networks Session Smart Router allows an unauthenticated attacker on the local network to achieve remote code execution via a malicio...

How severe is CVE-2026-103408?

CVE-2026-103408 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-103408?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.