Published:2021/08/16 Last Updated:2021/08/16
JVNVU#92088210
Multiple vulnerabilities in D-Link router DSL-2750U
Overview
D-Link router DSL-2750U is vulnerable to unauthorized configuration modification and OS command injection.
Products Affected
- D-Link DSL-2750U, with firmware vME1.16 or prior versions
Description
D-Link router DSL-2750U is vulnerable to unauthorized configuration modification (CWE-15, CVE-2021-3707) and OS command injection (CWE-78, CVE-2021-3708).
Impact
An unauthenticated attacker on the local network may execute any OS commands on the vulnerable device.
Solution
Update Firmware
Apply the appropriate firmware upgrade according to the information provided by D-Link.
D-Link released the fixed firmware vME_1.22.
Vendor Status
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
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
| 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:L/Au:N/C:C/I:C/A:C
Base Score:
8.3
| 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) |
Comment
This CVSS score reflects CVE-2021-3707.
Credit
Mohammed Hadi reported this vulnerability to JPCERT/CC.
JPCERT/CC coordinated with the developer.
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-2021-3707 |
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CVE-2021-3708 |
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| JVN iPedia |
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