VDB
CVE-2026-103392
CVE-2026-103392
PUBLISHED
CVSS 4.8 MEDIUM
Reported by juniper · Published October 28, 2026
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.
EPSS 0.22% · 12.0th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Session Smart Router | Juniper Networks | 7.2.3, 7.1.7, 7.0.5 |
Risk scores
CVSS 3.1
4.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS Score
0.22%
12.0th percentile
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Session Smart Router | 0, 7.1.0, 7.2.0 |
| Juniper Networks | Session Smart Router | 0, 7.1.0, 7.2.0 |
Timeline
- Oct 28, 2026 CVE Published
- Oct 29, 2026 EPSS Score
- Oct 29, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-103392
vulnetix vdb fixes CVE-2026-103392Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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