CVE-2026-15409: SonicWall SMA1000 Appliances

What is CVE-2026-15409?

A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.

CVSS10 NVD 3.1

SeverityCRITICAL

Exploitation In the wild In CISA KEV

Triage statusActive Exploit

ActionPatch immediately

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWECWE-918

NVD published2026-07-14

NVD last modified2026-07-14

Timeline

2026-07-14Published to the U.S. National Vulnerability Database (NVD)
2026-07-14Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
2026-07-15First covered in a defend.network daily briefing
2026-07-17CISA federal remediation deadline (BOD 22-01)

CISA Known Exploited Vulnerability

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

Added to KEV2026-07-14

Federal patch deadline2026-07-17

Known ransomware useUnknown

Affected product

SonicWall SMA1000 Appliances

Remediation Steps

Apply SonicWall security updates immediately
Monitor for signs of unauthorized access to SMA1000 appliances
Restrict management interface access to trusted networks only
Review access logs for suspicious authentication activity

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 2 of July 2026 (July 13 – 19)
Critical zero-days in Microsoft Active Directory, SonicWall SMA1000, GitHub malware campaign (2026-07-15)

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.