CVE-2011-4505
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 allows remote...
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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.
Exploit likelihood
What each source reports
NVD Score used
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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.
- Record
CVE-2011-4505- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-16
- Updated
- 2026-11-02
CVE List No score
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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.
- Record
CVE-2011-4505- Updated
- 2026-11-02
EUVDEUVD-2011-4431 No score
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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.
- Record
EUVD-2011-4431- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rh9v-48rx-mh8q No score
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 allows remote...
The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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.
- Record
GHSA-rh9v-48rx-mh8q- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4505 is a high vulnerability (CVSS 7.5) in Alcatel Speedtouch 5x6 Router, published November 22, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. No source names a fixed version.