Secuno
ENNL
Book demo

CVE-2011-4723

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

5.7 MEDIUMActively exploited (CISA KEV)EPSS 3.06%
  1. Published20 Dec 2011
  2. Added to CISA KEV8 Sept 2022
  3. Remediation due29 Sept 2022
Actively exploited (CISA KEV)

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

Added to KEV: 8 Sept 2022Federal remediation due: 29 Sept 2022

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 breakdown

Attack vectorAdjacent
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

D-Link Dir-300 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-623768.1
Vikunja is an open-source self-hosted task management platform. Versions prior to 2.4.0…
CVE-2026-1078078.8
Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0,…
CVE-2026-813219.8
CM2507 IP cameras store configured wireless network credentials in cleartext within the…
CVE-2026-816838.4
openssl_encrypt (pip package openssl-encrypt) versions 1.4.8 and earlier store an mTLS…
CVE-2026-150659.1
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 NIM could allow a remote attacker to…
CVE-2026-203128.8
As part of Cisco's ongoing commitment to proactive security and product quality, the…

Frequently asked

Is CVE-2011-4723 being actively exploited?

Yes. CVE-2011-4723 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 8 Sept 2022.

How severe is CVE-2011-4723?

CVE-2011-4723 has a CVSS 3.1 base score of 5.7, rated medium. EPSS estimates a 3.06% probability of exploitation.

Which products are affected by CVE-2011-4723?

Affected products include D-Link Dir-300 Firmware.

How do I fix CVE-2011-4723?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2011-4723 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.