SonicWall SMA6200 Firmware vulnerabilities

6 CVEs affecting SonicWall SMA6200 Firmware, 2 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-4116, published 2026-04-09.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-23006: SonicWall SMA1000 Appliances Deserialization Vulnerability, published 2025-01-23. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2025-01-24. EPSS: 23.4% chance of exploitation in the next 30 days. Pre-authentication deserialization of untrusted data vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) and Central Management Console (CMC), which in specific…
• CVE-2025-40602: SonicWall SMA1000 Missing Authorization Vulnerability, published 2025-12-18. Medium severity, CVSS 6.6. Actively exploited: in CISA KEV since 2025-12-17. EPSS: 2.8% chance of exploitation in the next 30 days. A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).
• CVE-2026-4114, published 2026-04-09. Medium severity, CVSS 6.6. EPSS: 0.7% chance of exploitation in the next 30 days. Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN admin to bypass AMC TOTP authentication.
• CVE-2026-4116, published 2026-04-09. High severity, CVSS 7.2. EPSS: 0.7% chance of exploitation in the next 30 days. Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.
• CVE-2026-4113, published 2026-04-09. 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.
• CVE-2026-4112, published 2026-04-09. High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days. Improper neutralization of special elements used in an SQL command (“SQL Injection”) in SonicWall SMA1000 series appliances allows a remote authenticated attacker with read-only administrator…