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D-Link · DIR-300 Router

CVE-2011-4723

D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability

CISA KEV record

CISA date added
2022-09-08
CISA due date
2022-09-29
Known ransomware use
Unknown

NVD risk context

5.7 MEDIUM

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Adjacent
An attacker must be on the same local or adjacent network.
Attack complexity
Low
Exploitation does not require unusual conditions beyond normal attacker control.
Privileges required
Low
The attacker needs limited privileges before exploiting the issue.
User interaction
None
No action by another user is required.

Description

The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information.

Required action

The impacted product is end-of-life and should be disconnected if still in use.

NVD reference index

Vendor and remediation references

NVD has not tagged a reference for this KEV as a patch, mitigation, release note, or vendor advisory.

Other NVD references (2)

MITRE CWE context

CWE classification

CWE-310 Cryptographic Issues

Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed.

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NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Dec 20, 2011, 11:55 AM UTC
When NVD first published this CVE record.
NVD last updated
Jun 16, 2026, 11:35 PM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

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CISA notes

https://www.dlink.com/uk/en/support/product/dir-300-wireless-g-router; https://nvd.nist.gov/vuln/detail/CVE-2011-4723