CVE-2026-103411
Session Smart Router: A malicious DHCP server causes information disclosure and a service crash during DHCP option parsing
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
An Integer Underflow vulnerability in DhcpMessageDecoder in Juniper Networks Session Smart Router allows an attacker with local network access to cause information disclosure and a denial of service via a malicious DHCP reply.
| CWE | CWE-191 |
| Vendor | juniper networks |
| Product | session smart router |
| Published | Oct 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
Juniper Networks / Session Smart Router
0 < 7.0.5 7.1.0 < 7.1.7 7.2.0 < 7.2.3