CVE-2005-4723: D-Link DI-524 Wireless Router, DI-624 Wireless Router, and DI-784 allow remote attackers to cause a denial of

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MEDIUM 5.0MITIGATEMITIGATEMITIGATE

CVE-2005-4723 is a medium-severity flaw (CVSS 5.0) affecting di-524, di-784, di-524. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

D-Link DI-524 Wireless Router, DI-624 Wireless Router, and DI-784 allow remote attackers to cause a denial of service (device reboot) via a series of crafted fragmented UDP packets, possibly involving a missing fragment.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Published	2005-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: d-link · dlink

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:19 UTCUpdated Record last modified

d-link di-524 MITIGATE

Affected: 3.20

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.20

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

d-link di-784 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

dlink di-524 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

dlink di-624 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: D-Link Wireless Access Point - Fragmented UDP Denial of Service

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2005-4723?

di-524: mitigate or apply the listed mitigation; di-784: mitigate or apply the listed mitigation; di-524: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-4723 being exploited?

CVE-2005-4723 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2005-4723 affect?

CVE-2005-4723 affects di-524, di-784, di-524. Severity is medium (CVSS 5.0). D-Link DI-524 Wireless Router, DI-624 Wireless Router, and DI-784 allow remote attackers to cause a denial of service (device reboot) via a series of crafted fragmented UDP packets, possibly involving a missing fragment.

How urgent is CVE-2005-4723?

Priority 45/100. Public exploit reference

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2008-1266 HIGH 7.8 MITIGATE Multiple buffer overflows in the web interface on the D-Link DI-524 router allow remote attackers to cause a d
CVE-2006-3687 HIGH 7.5 MITIGATE MITIGATE Stack-based buffer overflow in the Universal Plug and Play (UPnP) service in D-Link DI-524, DI-604 Broadband R

References

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