CVE-2026-3439
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.
| CWE | CWE-121 |
| Vendor | sonicwall |
| Product | sonicos |
| Published | Mar 4, 2026 |
| Last Updated | Mar 4, 2026 |
Stay Ahead of the Next One
Get instant alerts for sonicwall sonicos
Be the first to know when new medium vulnerabilities affecting sonicwall sonicos are published โ delivered to Slack, Telegram or Discord.
Get Free Alerts โ
Free ยท No credit card ยท 60 sec setup
Affected Versions
SonicWall / SonicOS
7.0.1-5169 and older versions 7.3.1-7013 and older versions 8.1.0-8017 and older versions