CVE-2011-4723

CVE-2011-4723 is a medium vulnerability published on December 20, 2011. The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.

CVE-2011-4723 was first published in the National Vulnerability Database on December 20, 2011, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Yes. CISA added CVE-2011-4723 to the Known Exploited Vulnerabilities catalog on September 8, 2022, affecting D-Link DIR-300 Router. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

CVE-2011-4723 has a CVSS v3 base score of 5.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

CVE-2011-4723 affects D-Link DIR-300 Router. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4723, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.