CVE-2011-4723
D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
- CVSS 3.1
- 5.7 MEDIUMCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 3.06% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 8 September 2022 · due 29 September 2022
- Weakness
- CWE-312
- Affected
- dlink/dir-300 firmware
- Source
- cve@mitre.org
EPSS 3.1% since 30 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
The impacted product is end-of-life and should be disconnected if still in use. https://www.dlink.com/uk/en/support/product/dir-300-wireless-g-router; https://nvd.nist.gov/vuln/detail/CVE-2011-4723
References
- http://en.securitylab.ru/lab/PT-2011-30Broken Link
- http://en.securitylab.ru/lab/PT-2011-30Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-4723US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.