Vulnerability · CVE-2011-4723
D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability
Published Dec 20, 2011 · catalog updated Jun 16, 2026 · D-Link DIR-300 Router
Patch now
CVE-2011-4723 is in the CISA known-exploited catalog, due Sep 29, 2022. Confirm D-Link DIR-300 Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- Severity
- Medium5.7
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 3.06%
- Remediation
- Remediation guidance
- Affected products
- cpe dlink/dir-300 firmware · vendor D-Link DIR-300 Router · vendor n/a n/a
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe dlink/dir-300 firmwareversion unspecified
- vendor D-Link DIR-300 Routerversion unspecified
- vendor n/a n/aversion unspecified
How to fix CVE-2011-4723
Recommended remediation
The impacted product is end-of-life and should be disconnected if still in use. CISA due date Sep 29, 2022.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2011-4723 is in the CISA known-exploited catalog, due Sep 29, 2022. Confirm D-Link DIR-300 Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Affected version ranges are not on this record. The impacted product is end-of-life and should be disconnected if still in use.
What should an analyst verify?
CWE-310; CWE-312: Cleartext Storage of Sensitive Information. EPSS 3.06%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 20, 2011 · Catalog
Detected
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
Sep 8, 2022 · CISA KEV
Known exploited
The impacted product is end-of-life and should be disconnected if still in use.
Sep 29, 2022 · CISA KEV
Remediation due
The impacted product is end-of-life and should be disconnected if still in use.
Jun 16, 2026 · Catalog
Updated
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
Sources
- CISA KEVConfirmed exploitationCVE-2011-4723
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information.
cisa.gov - CVE.orgVulnerability recordCVE-2011-4723
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
cve.org - FIRST EPSSExploitation probabilityCVE-2011-4723
30-day exploitation probability 3.1%
first.org - NIST NVDVulnerability recordCVE-2011-4723
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2011-4723
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information.
vulncheck.com
References
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.