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Vulnerability Details : CVE-2015-7256

ZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, VMG4380-B10A, VMG8324-B10A, VMG8924-B10A, VMG8924-B30A, and VSG1435-B101 DSL CPEs; PMG5318-B20A GPONs; SBG3300-N000, SBG3300-NB00, and SBG3500-N000 small business gateways; GS1900-8 and GS1900-24 switches; and C1000Z, Q1000, FR1000Z, and P8702N project models use non-unique X.509 certificates and SSH host keys.
Publish Date : 2017-09-27 Last Update Date : 2017-10-11
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 310

- Products Affected By CVE-2015-7256

# Product Type Vendor Product Version Update Edition Language
1 OS Zyxel C1000z Firmware - Version Details Vulnerabilities
2 OS Zyxel Fr1000z Firmware - Version Details Vulnerabilities
3 OS Zyxel Gs1900-24 Firmware - Version Details Vulnerabilities
4 OS Zyxel Gs1900-8 Firmware - Version Details Vulnerabilities
5 OS Zyxel Nwa1100-n Firmware - Version Details Vulnerabilities
6 OS Zyxel Nwa1100-nh Firmware - Version Details Vulnerabilities
7 OS Zyxel Nwa1121-ni Firmware - Version Details Vulnerabilities
8 OS Zyxel Nwa1123-ac Firmware - Version Details Vulnerabilities
9 OS Zyxel Nwa1123-ni Firmware - Version Details Vulnerabilities
10 OS Zyxel P-660hn-51 Firmware - Version Details Vulnerabilities
11 OS Zyxel P-663hn-51 Firmware - Version Details Vulnerabilities
12 OS Zyxel P8702n Firmware - Version Details Vulnerabilities
13 OS Zyxel Pmg5318-b20a Firmware - Version Details Vulnerabilities
14 OS Zyxel Q1000 Firmware - Version Details Vulnerabilities
15 OS Zyxel Sbg3300-n000 Firmware - Version Details Vulnerabilities
16 OS Zyxel Sbg3300-nb00 Firmware - Version Details Vulnerabilities
17 OS Zyxel Sbg3500-n000 Firmware - Version Details Vulnerabilities
18 OS Zyxel Vmg1312-b10a Firmware - Version Details Vulnerabilities
19 OS Zyxel Vmg1312-b30a Firmware - Version Details Vulnerabilities
20 OS Zyxel Vmg1312-b30b Firmware - Version Details Vulnerabilities
21 OS Zyxel Vmg4380-b10a Firmware - Version Details Vulnerabilities
22 OS Zyxel Vmg8324-b10a Firmware - Version Details Vulnerabilities
23 OS Zyxel Vmg8924-b10a Firmware - Version Details Vulnerabilities
24 OS Zyxel Vmg8924-b30a Firmware - Version Details Vulnerabilities
25 OS Zyxel Vsg1435-b101 Firmware - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Zyxel C1000z Firmware 1
Zyxel Fr1000z Firmware 1
Zyxel Gs1900-24 Firmware 1
Zyxel Gs1900-8 Firmware 1
Zyxel Nwa1100-n Firmware 1
Zyxel Nwa1100-nh Firmware 1
Zyxel Nwa1121-ni Firmware 1
Zyxel Nwa1123-ac Firmware 1
Zyxel Nwa1123-ni Firmware 1
Zyxel P-660hn-51 Firmware 1
Zyxel P-663hn-51 Firmware 1
Zyxel P8702n Firmware 1
Zyxel Pmg5318-b20a Firmware 1
Zyxel Q1000 Firmware 1
Zyxel Sbg3300-n000 Firmware 1
Zyxel Sbg3300-nb00 Firmware 1
Zyxel Sbg3500-n000 Firmware 1
Zyxel Vmg1312-b10a Firmware 1
Zyxel Vmg1312-b30a Firmware 1
Zyxel Vmg1312-b30b Firmware 1
Zyxel Vmg4380-b10a Firmware 1
Zyxel Vmg8324-b10a Firmware 1
Zyxel Vmg8924-b10a Firmware 1
Zyxel Vmg8924-b30a Firmware 1
Zyxel Vsg1435-b101 Firmware 1

- References For CVE-2015-7256

http://www.kb.cert.org/vuls/id/566724
CERT-VN VU#566724
http://www.zyxel.com/support/announcement_SSH_private_key_and_certificate_vulnerability.shtml CONFIRM

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2015-7256

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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