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SonicWall controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2026

    Exploitation of SMA1000 zero-day vulnerabilities

    Provided reference material states that attackers exploited zero-day vulnerabilities in SonicWall SMA1000 remote-access appliances, deployed custom malware, and continued targeting vulnerable systems after fixes were issued. The supplied material does not include a source URL.

  2. 2022

    Y2K22 date-processing defect

    A date-related software defect affected some SonicWall email-security and firewall products around the start of 2022. SonicWall released patches after identifying the problem.

  3. 2021

    Attack involving secure remote-access products

    SonicWall disclosed that highly sophisticated threat actors had targeted certain secure remote-access products in a potential zero-day attack. The company investigated the incident, notified customers, and issued mitigations and updates. Separately publicized older VPN exploits were described by SonicWall as unrelated and already patched.