CVE-2026-4116
HIGHCVSS 7.2/10EPSS 0.42%
Last modified
CVE-2026-4116 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sonicwall | Sma6210 Firmware | < 12.4.3-03387 |
| Sonicwall | Sma6210 Firmware | >= 12.5.0, < 12.5.0-02624 |
| Sonicwall | Sma6200 Firmware | < 12.4.3-03387 |
| Sonicwall | Sma6200 Firmware | >= 12.5.0, < 12.5.0-02624 |
| Sonicwall | Sma7200 Firmware | < 12.4.3-03387 |
| Sonicwall | Sma7200 Firmware | >= 12.5.0, < 12.5.0-02624 |
| Sonicwall | Sma7210 Firmware | < 12.4.3-03387 |
| Sonicwall | Sma7210 Firmware | >= 12.5.0, < 12.5.0-02624 |
| Sonicwall | Sma8200v | < 12.4.3-03387 |
| Sonicwall | Sma8200v | >= 12.5.0, < 12.5.0-02624 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-4116?
Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.
How severe is CVE-2026-4116?
CVE-2026-4116 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4116?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-4116?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST