Published:2016/06/14 Last Updated:2016/06/14
JVN#96052093
ETX-R vulnerable to denial-of-service (DoS)
Overview
ETX-R provided by I-O DATA DEVICE, INC. contains a denial-of-service (DoS) vulnerability.
Products Affected
- ETX-R
Description
ETX-R provided by I-O DATA DEVICE, INC. is a wired LAN router. ETX-R contains a denial-of-service (DoS) vulnerability.
Impact
A remote unauthenticated attacker may cause the web server on the product to be terminated abnormally.
Solution
Apply a Workaround
The following workarounds may mitigate the affects of this vulnerability.
- Enable the option "Disable WAN side ping reply"
Note that these workarounds above do not prevent access from local networks.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| I-O DATA DEVICE, INC. | Vulnerable | 2016/06/14 | I-O DATA DEVICE, INC. website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score:
5.3
| 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:N/AC:L/Au:N/C:N/I:N/A:P
Base Score:
5.0
| 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
Junichi MURAKAMI of FFRI, 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-2016-4821 |
| JVN iPedia |
JVNDB-2016-000101 |