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SonicWall security advisory (AV26-872) – Update 1

Used in attacksCriticalCanadian Centre for Cyber Security · Canadian Centre for Cyber Security·

At a glance

Severity
Critical
Used in attacks
Yes, 2 of 2 flaws named
Flaws named
CVE-2026-83548CVE-2026-83549
Vendors and products
SonicWall
Industries
Government
Reported by
1 outlet

As of September 1, 2026, SonicWall is affected by a vulnerability in the following product:

  • SMA1000 - 6210, 7210, 8200v
    • 12.4.3-03453 (platform-hotfix) and older versions
    • 12.5.0-02835 (platform-hotfix) and older versions

SonicWall indicates that CVE-2026-83548 and CVE-2026-83549 are being exploited.

Update 1

On September 2, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-83548 and CVE-2026-83549 to their Known Exploited Vulnerabilities (KEV) Database.

The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.

Originally published by Canadian Centre for Cyber Security. © Canadian Centre for Cyber Security. Written by Canadian Centre for Cyber Security.

Read at cyber.gc.ca ↗Official Source

Vulnerabilities referenced

  • CVE-2026-8354810.0Critical

    SonicWall SMA1000 Appliances

    SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.

    Used in attacks

    Added to CISA's list 2026-09-02 · Patch or advisory available

    Full record →
  • CVE-2026-835497.8High

    SonicWall SMA1000 Appliances

    SonicWall SMA1000 Appliances contains an OS command injection vulnerability that could enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

    Used in attacks

    Added to CISA's list 2026-09-02 · Patch or advisory available

    Full record →

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Coverage

One outlet has carried this so far.

  1. Canadian Centre for Cyber Security ↗Official SourceFirst reported

    2026-09-02 18:44 UTC

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