JVN#68922465
        Backdoor access issue in Wi-Fi STATION L-02F
              
      
      Overview
Wi-Fi STATION L-02F provided by NTT DOCOMO, INC. contains a backdoor access issue.
Products Affected
- Wi-Fi STATION L-02F Software version V10g and earlier
Description
Wi-Fi STATION L-02F provided by NTT DOCOMO, INC. contains a backdoor access issue.
Impact
An unauthenticated remote attacker may access the device with the administrative privilege and perform an unintended operation.
The reporter has conducted a test and confirmed that an attacker can log in to the device through internet by using an ID and a password, and execute arbitrary command.
Solution
Apply an Update
Apply the update according to the information provided by the provider.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes | 
|---|---|---|---|
| NTT DOCOMO, INC. | Vulnerable | 2017/09/12 | NTT DOCOMO, INC. website | 
References
JPCERT/CC Addendum
JPCERT/CC has observed suspicious communication that the device is being exploited by this vulnerability.
Vulnerability Analysis by JPCERT/CC
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) | 
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) | 
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) | 
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) | 
| Authentication(Au) | Multiple (M) | Single (S) | None (N) | 
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) | 
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) | 
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) | 
Credit
Japan Computer Emergency Response Team Coordination Center Global Coordination Division Cyber Metrics Line Information Security Analyst Keisuke Shikano reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |  | 
| JPCERT Reports |  | 
| CERT Advisory |  | 
| CPNI Advisory |  | 
| TRnotes |  | 
| CVE | CVE-2017-10845 | 
| JVN iPedia | JVNDB-2017-000217 | 
