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HIGH · 7.2

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.

Vulnerability Description

Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SonicwallSma6210 Firmware< 12.4.3-03387
SonicwallSma6210-
SonicwallSma6200 Firmware< 12.4.3-03387
SonicwallSma6200-
SonicwallSma7200 Firmware< 12.4.3-03387
SonicwallSma7200-
SonicwallSma7210 Firmware< 12.4.3-03387
SonicwallSma7210-
SonicwallSma8200V< 12.4.3-03387

Related Weaknesses (CWE)

CWE-176

References

FAQ

What is CVE-2026-4116?

CVE-2026-4116 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-4116?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Sma6210 Firmware, Sonicwall Sma6210, Sonicwall Sma6200 Firmware, Sonicwall Sma6200, Sonicwall Sma7200 Firmware.