SonicWall TotalSecure TZ 100 Series vulnerable to denial-of-service (DoS)


SonicWall TotalSecure TZ 100 Series is a firewall product provided by Dell Inc. SonicWall TotalSecure TZ 100 Series contains a denial-of-service (DoS) vulnerability.

FFRI,Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial
Affected Products

  • SonicWall TotalSecure TZ 100 Series firmware versions prior to


Processing a specially crafted packet may lead to a denial-of-service (DoS).

[Update the firmware]
Update to the latest version of the firmware according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-7770

  1. JVN : JVN#90135579
  2. National Vulnerability Database (NVD) : CVE-2015-7770
Revision History

  • [2015/11/06]
      Web page was published
      References : Content was added