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jvnJapan Vulnerability NotesJVN:73141967
HistoryNov 22, 2017 - 12:00 a.m.

JVN#73141967: PWR-Q200 vulnerable to DNS cache poisoning attacks

2017-11-2200:00:00
Japan Vulnerability Notes
jvn.jp
45

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

53.2%

PWR-Q200 provided by NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION is a mobile WiFi router. PWR-Q200 is vulnerable to DNS cache poisoning attacks as DNS queries are done with a fixed source port (CWE-330).

Impact

The DNS responses spoofed by a remote attacker may result in any device on the LAN being led to a malicious server.

Solution

Do not use PWR-Q200
Stop using PWR-Q200 since PWR-Q200 is no longer supported.
The developer recommends to configure devices in the LAN to use the upstream ISP’s DNS server.
For details, refer to the information provided by the developer.

Products Affected

  • PWR-Q200 all firmware versions

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

53.2%

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