Vulnerability in SonicWall SMA1000

[ Why it matters ]Priority signals

• Critical severity: CVSS 10.0

[ Description ]Official description

A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. By abusing this path, a remote unauthenticated attacker could potentially exploit this vulnerability to direct the appliance to issue requests on their behalf and reach internal functionality and perform unauthorized operations.

[ Fixes ]Fixes and patches

• Security bulletin: SonicWall SNWLID-2026-0017Vendor patch or bulletin · CERT-FR · psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017, cited by CERT-FR CERTFR-2026-AVI-1275

[ Advisories ]Government CERT advisories

• NCSC-NL7 Oct 2026NCSC-2026-0403

  Vulnerabilities fixed in SonicWall SMA1000 Appliance Translated from Dutch

  Probability/damage M/HCVE-2026-102258CVE-2026-102257CVE-2026-102255+1 more CVEs
• CERT-FR7 Oct 2026CERTFR-2026-AVI-1275

  Multiple vulnerabilities in Sonicwall Secure Mobile Access Translated from French

  Multiple vulnerabilities have been discovered in Sonicwall Secure Mobile Access. Some of them allow an attacker to cause remote arbitrary code execution, server-side request forgery (SSRF) and remote cross-site…

  CVE-2026-102256CVE-2026-102255CVE-2026-102258+1 more CVEs
• BSI CERT-Bund6 Oct 2026WID-SEC-2026-3757

  SonicWall SMA1000: Multiple vulnerabilities Translated from German

  CVE-2026-102257CVE-2026-102255CVE-2026-102258+1 more CVEs

[ References ]References

• psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017