Published:2018/03/29  Last Updated:2018/03/29
      
        JVN#93397125
        Multiple vulnerabilities in WZR-1750DHP2
              
      
      Overview
WZR-1750DHP2 provided by BUFFALO INC. contains multiple vulnerabilities.
Products Affected
- WZR-1750DHP2 firmware Ver.2.30 and earlier
 
Description
WZR-1750DHP2 provided by BUFFALO INC. is a wireless LAN router. WXR-1900DHP2 contains multiple vulnerabilities listed below.
- Missing Authentication for Critical Function (CWE-306) - CVE-2018-0554
	
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-2018-0555
	
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-2018-0556
	
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-2018-0554
 - If a user views a specially crafted file while logged into the affected device, arbitrary code may be executed - CVE-2018-0555
 - A user with access to the network that is connected to the affected device may execute an arbitrary command on the device - CVE-2018-0556
 
Solution
Update the Firmware
Apply the latest firmware update according to the information provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes | 
|---|---|---|---|
| BUFFALO INC. | Vulnerable | 2018/03/29 | BUFFALO INC. website | 
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc. reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | 
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| JPCERT Reports | 
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| CERT Advisory | 
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| CPNI Advisory | 
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| TRnotes | 
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| CVE | 
                                    CVE-2018-0554 | 
              
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                                    CVE-2018-0555 | 
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                                    CVE-2018-0556 | 
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| JVN iPedia | 
                                    JVNDB-2018-000027 |