SonicWall security advisory (AV26-884)
Canada's Cyber Centre issued advisory AV26-884 warning that SonicWall Network Security Manager On-Prem 4.3.0 and earlier are affected by multiple vulnerabilities.
The Canadian Centre for Cyber Security published advisory AV26-884 on September 4, 2026, flagging SonicWall Network Security Manager (NSM) On-Prem across VMware, Hyper-V, Azure, and KVM deployments, versions 4.3.0 and earlier, as affected by multiple vulnerabilities. The advisory does not list CVE identifiers, exploit details, or in-the-wild exploitation. Administrators are encouraged to review the referenced links and apply updates as they become available.
- SonicWall NSM On-Prem 4.3.0 and earlier affected across VMware, Hyper-V, Azure, and KVM.
- No CVE identifiers or exploitation details included in the advisory.
- Canadian Cyber Centre urges administrators to apply available updates.
- Vendors
- SonicWall
- Organizations
- Canadian Centre for Cyber Security
- Countries
- Canada
From the original article
1 min read at cyber.gc.ca
Serial Number: AV26-884 Date: September 4, 2026 As of September 4, 2026, SonicWall is affected by vulnerabilities in the following product: Network Security Manager (NSM) On-Prem (VMWare, Hyper-V, Azure and KVM) 4. 3. 0 and earlier versions The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.
cyber.gc.ca
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