๐Ÿ” CVE Alert

CVE-2026-103393

MEDIUM 4.3

Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet processing

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

An Out-of-Bounds Read vulnerability in the VRRP implementation in Juniper Networks Session Smart Router allows an L2-adjacent attacker to read stale memory contents or cause a system fault via a specially crafted VRRPv3 advertisement.

CWE CWE-125
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:N/I:L/A:N
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Affected Versions

Juniper Networks / Session Smart Router
0 < 7.0.5 7.1.0 < 7.1.7 7.2.0 < 7.2.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
supportportal.juniper.net: https://supportportal.juniper.net/JSA112183