Published:2015/11/06  Last Updated:2015/11/06

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


SonicWall TotalSecure TZ 100 series provided by Dell Inc. contains a denial-of-service (DoS) vulnerability.

Products Affected

  • SonicWall TotalSecure TZ 100 Series firmware versions prior to


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.


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 Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.11.06 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions or extenuating circumstances do not exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is no impact to the confidentiality of the system.
Integrity Impact(I) None (N) Partial (P) Complete (C) There is no impact to the integrity of the system.
Availability Impact(A) None (N) Partial (P) Complete (C) There is reduced performance or interruptions in resource availability.

Base Score:5.0


FFRI,Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2015-7770
JVN iPedia JVNDB-2015-000176