CVE-2026-4113: SonicWall SMA6200 Firmware

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

An observable response discrepancy vulnerability in the SonicWall SMA1000 series appliances allows a remote attacker to enumerate SSL VPN user credentials.

Affected products

• SonicWall SMA6200 Firmware: before 12.4.3-03387 (fixed in 12.4.3-03387); from 12.5.0, before 12.5.0-02624 (fixed in 12.5.0-02624)
• SonicWall SMA6210 Firmware: before 12.4.3-03387 (fixed in 12.4.3-03387); from 12.5.0, before 12.5.0-02624 (fixed in 12.5.0-02624)
• SonicWall SMA7200 Firmware: before 12.4.3-03387 (fixed in 12.4.3-03387); from 12.5.0, before 12.5.0-02624 (fixed in 12.5.0-02624)
• SonicWall SMA7210 Firmware: before 12.4.3-03387 (fixed in 12.4.3-03387); from 12.5.0, before 12.5.0-02624 (fixed in 12.5.0-02624)
• SonicWall SMA8200V: before 12.4.3-03387 (fixed in 12.4.3-03387); from 12.5.0, before 12.5.0-02624 (fixed in 12.5.0-02624)

Published 2026-04-09. Last modified 2026-06-17.