CVE-2021-34204

Published: Jun 16, 2021Updated: Jul 9, 2026 Sources: CVE List NVD BDUCWE-522

6.8MEDIUM

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:PAttack Vector

Physical

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-522

Affected Products

D-Link Corp.

commercial·TWaka dlink, d-link corporation, d-link international

dir-2640-us firmware

Networking Infrastructure

DIR-2640

Networking Infrastructure

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Credential Access

View detailed technique mapping

References

https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34204

github.com

https://www.dlink.com/en/security-bulletin/

dlink.com

https://www.dlink.com/en/security-bulletin/

dlink.com

and 1 more references View all →

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