What’s Vulnerable › Vulnerabilities

CVE-2011-4505

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-11-22 · updated 2026-06-16
• Weakness: CWE-16

Description

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.

Affected products

• Alcatel Speedtouch 5X6 Router: all versions
• Alcatel Speedtouch 5X6 Router Firmware: through 6.2

References

• http://toor.do/DEFCON-19-Garcia-UPnP-Mapping-WP.pdf
• http://www.kb.cert.org/vuls/id/357851
• http://toor.do/DEFCON-19-Garcia-UPnP-Mapping-WP.pdf
• http://www.kb.cert.org/vuls/id/357851

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