# CVE-2011-4723: D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability

Source: https://junglewise.ai/threats/cve-2011-4723-d-link-dir-300-router-cleartext-storage-of-a-password  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-09-08. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2011-4723 · Severity: critical · CVSS 6.8 · Exploited in the wild · Published 2022-09-08

The D-Link DIR-300 router stores passwords in cleartext format. This vulnerability allows authenticated or context-dependent attackers to obtain sensitive administrative information via unspecified vectors.

Vendors: [D-Link](https://junglewise.ai/threats/vendors/d-link).

## Quick answers

**Is CVE-2011-4723 exploited in the wild?** Yes. CVE-2011-4723 is known to be exploited in the wild, first recorded on 8 September 2022. Treat it as urgent.

**How severe is CVE-2011-4723?** Critical severity, with a CVSS score of 6.8, published 8 September 2022.

**Which products and versions are affected?** D-Link DIR-300 firmware -; D-Link DIR-300 hardware -.

**Is there a fix for CVE-2011-4723?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2011-4723 attacked?** It is attacked over the network or from the adjacent network, in a network appliance.

**Am I affected by CVE-2011-4723?** Check whether you run D-Link DIR-300 Router. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- D-Link DIR-300 firmware -
- D-Link DIR-300 hardware -

## Timeline

- 2011-12-20: disclosed: Initial NVD publication date
- 2022-09-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-09-29: other: CISA due date for remediation (disconnection of EOL device)