Vulnerability record · CVE-2011-4501 · published 22 November 2011

CVE-2011-4501: Edimax br-6104k router firmware vulnerability

Edimax · Br 6104k Router Firmware

The UPnP IGD implementation in Edimax EdiLinux on the Edimax BR-6104K with firmware before 3.25, Edimax 6114Wg, Canyon-Tech CN-WF512 with firmware 1.83, Canyon-Tech CN-WF514 with firmware 2.08, Sitecom WL-153 with firmware before 1.39, and Sweex LB000021 with firmware 3.15 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.

10.0 CVSS 2.0 High EPSS 4.2% · top 9.4% CWE-16 · CWE-16

10.0CVSS 2.0 base score

4.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

12Affected product versions listed by NVD

6References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

CCn Wf512 Canyon Tech CCn Wf512 Router Firmware Canyon Tech CCn Wf514 Canyon Tech CCn Wf514 Router Firmware Canyon Tech

6114wg Edimax

6114wg Router Firmware Edimax

Br 6104k Edimax

Br 6104k Router Firmware Edimax

Wl 153 Sitecom

Wl 153 Router Firmware Sitecom SLb000021 Sweex SLb000021 Router Firmware Sweex

References

Link	Tags
http://www.kb.cert.org/vuls/id/357851	US Government Resource
http://www.upnp-hacks.org/devices.html
http://www.upnp-hacks.org/suspect.html
http://www.kb.cert.org/vuls/id/357851	US Government Resource
http://www.upnp-hacks.org/devices.html
http://www.upnp-hacks.org/suspect.html

Track CVE-2011-4501 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-4502Edimax br-6104k router firmware os command injection vulnerabilityThe UPnP IGD implementation in Edimax EdiLinux on the Edimax BR-6104K with firmware before 3.25, Edimax 6114Wg, Canyon-Tech CN-WF512 with firmware 1.…EPSS 5.5%22 Nov 2011

Source: NIST National Vulnerability Database (record CVE-2011-4501), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.