CVE-2011-4505 describes a critical vulnerability in the UPnP IGD implementation of Alcatel SpeedTouch 5x6 routers with firmware older than 6.2.29. This flaw allows remote attackers to establish arbitrary port mappings by sending a crafted UPnP AddPortMapping action to the WAN interface, effectively bypassing network security. With a CVSS score of 7.5, this vulnerability is highly severe, requiring no authentication and low attack complexity to achieve partial confidentiality, integrity, and availability impacts. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.2CPE matchmatch criteria | cpe:2.3:a:alcatel:speedtouch_5x6_router_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:h:alcatel:speedtouch_5x6_router:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.