Pre-auth SSRF with auth bypass in a widely deployed SonicWall SMA1000 appliance; could let attackers gain admin access to network gateway functionality and disrupt enterprise operations.
CVE-2026-83548
Pre-auth SSRF in SonicWall SMA1000 allows auth bypass and unauthorized admin access.
Is CVE-2026-83548 being exploited?
Yes. CVE-2026-83548 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-83548?
CVE-2026-83548 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-83548?
Yes. A fix has been recorded for CVE-2026-83548. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-83548 affect?
CVE-2026-83548 affects SonicWall SMA1000 Appliance, SMA Work Place interface. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83548?
Apply vendor patch immediately; restrict/segment SMA management access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can exploit SSRF to bypass authentication, access internal admin functions and perform unauthorized operations on the SMA appliance.
Immediate action required
- affected12.4.3-03453 (platform-hotfix) and older versions
- affected12.5.0-02835 (platform-hotfix) and older versions
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.