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Product · SonicWall

SonicOS

75 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.5
    CVE-2026-19868 Exploited Public exploit

    An authentication enforcement vulnerability in SonicOS SSLVPN service may allow a user with valid credentials for an al…

    SonicWall SonicOS Network devices
    KEV Nov 6, 2026
  • High 8.2
    CVE-2024-53704 Exploited · Ransomware Public exploit Scanner template EPSS 95%

    An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass auth…

    SonicWall SonicOS Network devices
    KEV Feb 18, 2025
  • Unscored —
    CVE-2023-0656 Public exploit EPSS 41%

    A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of …

    SonicWall SonicOS Network devices
  • Unscored —
    CVE-2022-22274 Public exploit EPSS 76%

    A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to…

    SonicWall SonicOS Network devices
  • Unscored —
    CVE-2021-20031 Public exploit Scanner template EPSS 13%

    A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management…

    SonicWall SonicOS Network devices
  • Unscored —
    CVE-2020-5142 Public exploit

    A stored cross-site scripting (XSS) vulnerability exists in the SonicOS SSLVPN web interface. A remote unauthenticated …

    SonicWall SonicOS Network devices