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Japan Vulnerability NotesJVN:97144273

HistoryFeb 26, 2018 - 12:00 a.m.

JVN#97144273: Multiple vulnerabilities in WXR-1900DHP2

2018-02-2600:00:00

Japan Vulnerability Notes

jvn.jp

8.3 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

52.9%

JSON

WXR-1900DHP2 provided by BUFFALO INC. is a wireless LAN router. WXR-1900DHP2 contains multiple vulnerabilities listed below.

Missing Authentication for Critical Function (CWE-306) - CVE-2018-0521

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Base Score: 8.8
CVSS v2	AV:A/AC:L/Au:N/C:C/I:C/A:C	Base Score: 8.3

Buffer Overflow (CWE-119) - CVE-2018-0522

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	Base Score: 5.0
CVSS v2	AV:A/AC:M/Au:N/C:P/I:P/A:P	Base Score: 5.4

OS Command Injection (CWE-78) - CVE-2018-0523

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	Base Score: 6.3
CVSS v2	AV:A/AC:L/Au:N/C:P/I:P/A:P	Base Score: 5.8

Impact

The possible impact of each vulnerability is as follows:

A user with access to the network that is connected to the affected device may execute an arbitrary command on the device － CVE-2018-0521
If a user views a specially crafted file while logged into the affected device, arbitrary code may be executed － CVE-2018-0522
A user with access to the network that is connected to the affected device may execute an arbitrary command on the device － CVE-2018-0523

Solution

Update the Firmware
Apply the latest firmware update according to the information provided by the developer.

Products Affected

WXR-1900DHP2 firmware Ver.2.48 and earlier

8.3 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

52.9%

JSON

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