CVE-2026-103411

HIGHCVSS 7.1/10

Last modified

CVE-2026-103411 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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..

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Juniper NetworksSession Smart Router< 7.0.5; >= 7.1.0, < 7.1.7; >= 7.2.0, < 7.2.3

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-103411?
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.
How severe is CVE-2026-103411?
CVE-2026-103411 has a CVSS score of 7.1/10 (HIGH severity).
How do I fix CVE-2026-103411?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST