PatchTheCVECVE-2006-3687: Stack-based buffer overflow in the Universal Plug and Play (UPnP) service in D-Link DI-524, DI-604 Broadband R
CVE-2006-3687 is a high-severity flaw (CVSS 7.5) affecting di-604 broadband router, di-784, ebr-2310 ethernet broadband router. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Stack-based buffer overflow in the Universal Plug and Play (UPnP) service in D-Link DI-524, DI-604 Broadband Router, DI-624, D-Link DI-784, WBR-1310 Wireless G Router, WBR-2310 RangeBooster G Router, and EBR-2310 Ethernet Broadband Router allows remote attackers to execute arbitrary code via a long M-SEARCH request to UDP port 1900.
Why this priority
- High severity
- EPSS top 3%: very likely to be exploited
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| EPSS exploit chance | 19.5% (top 3%) |
| CISA exploited list | No |
| Published | 2006-07-21 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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 Routers - UPNP Buffer Overflow
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-2006-3687?
di-604 broadband router: mitigate or apply the listed mitigation; di-784: mitigate or apply the listed mitigation; ebr-2310 ethernet broadband router: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2006-3687 being exploited?
CVE-2006-3687 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-2006-3687 affect?
CVE-2006-3687 affects di-604 broadband router, di-784, ebr-2310 ethernet broadband router. Severity is high (CVSS 7.5). Stack-based buffer overflow in the Universal Plug and Play (UPnP) service in D-Link DI-524, DI-604 Broadband Router, DI-624, D-Link DI-784, WBR-1310 Wireless G Router, WBR-2310 RangeBooster G Router, and EBR-2310 Ethernet Broadband Router a
How urgent is CVE-2006-3687?
Priority 56/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference