CVE-2021-34204

D-Link DIR-2640-US 1.01B04 is affected by Insufficiently Protected Credentials. D-Link AC2600(DIR-2640) stores the device system account password in plain text. It does not use linux user management. In addition, the passwords of all devices are the same, and they cannot be modified by normal users. An attacker can easily log in to the target router through the serial port and obtain root privileges.

CVSS v3 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://d-link.com	Broken Link
http://dir-2640-us.com	Broken Link URL Repurposed
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34204	Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-2640-us_firmware:1.01b04:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-2640-us:-:*:*:*:*:*:*:*

History

14 Feb 2024, 01:17

Type	Values Removed	Values Added
References	~~(MISC) http://dir-2640-us.com - Broken Link~~	(MISC) http://dir-2640-us.com - Broken Link, URL Repurposed

Information

Published : 2021-06-16 20:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-34204

Mitre link : CVE-2021-34204

CVE.ORG link : CVE-2021-34204

JSON object : View

Products Affected

dlink

dir-2640-us_firmware
dir-2640-us

CWE

CWE-522

Insufficiently Protected Credentials

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