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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
  • Critical 9.3
    CVE-2024-40766 Exploited · Ransomware EPSS 18%

    An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially le…

    SonicWall SonicOS Network devices
    KEV Sep 9, 2024
  • Critical 9.8
    CVE-2020-5135 Exploited · Ransomware EPSS 27%

    A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially ex…

    SonicWall SonicOS Network devices
    KEV Mar 15, 2022