CVE-2026-103392EUVD-2026-112224
Session Smart Router: A SACK option causes out-of-bounds memory access and TCP payload corruption when TCP sequence stitching is enabled
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 is affected by a flaw in its TCP header processing that can cause memory corruption when TCP sequence stitching is enabled. An attacker sending specially crafted TCP traffic through the device could corrupt data in TCP sessions and potentially desynchronize those sessions.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length.
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