CVE & CISA-KEV Catalog

CVE-2011-4723

MEDIUMCISA KEVEPSS 86th pctl
5.7
CVSS v3
NVD

Description

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

How to fix

No fix available - end of life

This product no longer receives security updates. CISA advises disconnecting affected systems if still in use.

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

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

2.98%probability of exploitation in 30 days
86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

D-Link DIR-300 Router Cleartext Storage of a Password Vulnerability

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

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

Remediation due: 2022-09-29

References

Government Resource1
Other references1

Related Vulnerabilities

Other CWE-312 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-50719High7.584%-Fix
CVE-2022-26148Critical9.853%-Fix
CVE-2020-24577High7.519%-Fix
CVE-2021-27140High7.519%--
CVE-2021-27176High7.519%--
CVE-2021-27174High7.519%--

Common questions

How do I fix CVE-2011-4723?

CVE-2011-4723 affects an end-of-life product with no vendor fix. CISA advises disconnecting affected systems.

Is CVE-2011-4723 being actively exploited?

Yes. CVE-2011-4723 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2022-09-29. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2011-4723?

CVE-2011-4723 has a CVSS v3 base score of 5.7, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.