How severe is CVE-2011-4723?

CVE-2011-4723 has a CVSS score of 5.7/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2011-4723?

Affected package information for CVE-2011-4723 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2011-4723?

No fixed version has been published for CVE-2011-4723 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2011-4723 actively exploited in the wild?

No public exploit code has been indexed for CVE-2011-4723 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2011-4723?

CVE-2011-4723 has an EPSS (Exploit Prediction Scoring System) score of 14.1%, placing it in the 94th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score warrants monitoring and prompt remediation.

Is CVE-2011-4723 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2011-4723 (D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-09-08. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-09-29. The required action was: The impacted product is end-of-life and should be disconnected if still in use. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2011-4723?

CVE-2011-4723 is classified as CWE-312 (CWE-312). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2011-4723?

CVE-2011-4723 affects dlink dir-300 firmware. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2011-4723 published, and has it been updated?

CVE-2011-4723 was published on December 20, 2011 and was last updated on April 22, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-09-08 — agencies required to remediate by 2022-09-29

CVE-2011-4723

MEDIUM

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

Published

Dec 20, 2011

Updated

Apr 22, 2026

Affected

0 pkgs

Patched

None yet

Exploits

None indexed

EPSS Exploitation Probability

via FIRST.org ↗

14.1%probability of exploitation in next 30 days

Moderate Risk94th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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

Affected Products

1 product · 1 configurations

dir-300 firmwaredlink

all

Frequently Asked Questions

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

O3 Security · Impact-Aware SCA

Is CVE-2011-4723 in your stack?

O3 detects CVE-2011-4723 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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