CVE-2026-103393EUVD-2026-112223
Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet processing
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 7.0.5, 7.1.7, 7.2.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Juniper Networks Session Smart Router's VRRP (Virtual Router Redundancy Protocol) implementation is affected. A nearby attacker on the same Layer 2 network can send a specially crafted VRRPv3 advertisement to read leftover memory contents or crash the device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
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.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Juniper Networks Session Smart Router
fixed in 7.0.5; From 7.1.0 · fixed in 7.1.7; From 7.2.0 · fixed in 7.2.3