CVE-2011-4723

What the flaw is

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

Description as published by CISA. We have not independently reproduced it.

What CISA requires

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

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

2 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

• Ostorlab/KEV
• Ostorlab/known_exploited_vulnerbilities_detectors

Vendor advisories

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

Primary sources

• NVD entry — CVSS score, CPE list and references
• CISA KEV catalog — the source for this page
• CVE Record at cve.org