Published:2016/11/11 Last Updated:2016/11/11
JVN#23549283
CG-WLR300NX fails to restrict access permissions
Overview
CG-WLR300NX fails to restrict access permissions.
Products Affected
- CG-WLR300NX firmware Ver. 1.20 and earlier
Description
CG-WLR300NX provided by Corega Inc is a wireless LAN router. CG-WLR300NX fails to restrict access permissions.
Impact
An attacker who can access the product may perform an arbitrary operation in the product while an administrator logs in.
Solution
Update the Firmware
Update to the latest version of firmware according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Corega Inc | About Multiple Vulnerabilities of CG-WLR300NX |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
Base Score:
6.8
| 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) |
CVSS v2
AV:A/AC:M/Au:N/C:P/I:P/A:P
Base Score:
5.4
| 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
Satoshi Ogawa of Mitsui Bussan Secure Directions, Inc. reported this vulnerability 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-2016-7811 |
| JVN iPedia |
JVNDB-2016-000219 |