CVE-2021-34204 — MEDIUM (6.8)

Vulnerability Description

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 Score

6.8

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dir-2640-Us Firmware	1.01b04
Dlink	Dir-2640-Us	-

Related Weaknesses (CWE)

CWE-522

References

http://d-link.comBroken Link
http://dir-2640-us.comBroken LinkURL Repurposed
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34204ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
http://d-link.comBroken Link
http://dir-2640-us.comBroken LinkURL Repurposed
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34204ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

FAQ

What is CVE-2021-34204?

CVE-2021-34204 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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. ...

How severe is CVE-2021-34204?

CVE-2021-34204 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34204?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-2640-Us Firmware, Dlink Dir-2640-Us.