Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-4502

31
FAUCET Score

CVE-2011-4502 describes a critical vulnerability in the UPnP IGD implementation of several Edimax, Canyon-Tech, Sitecom, and Sweex router firmware versions. This flaw allows remote attackers to execute arbitrary commands on affected devices by injecting shell metacharacters. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having complete impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit or ExploitDB, the vulnerability has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.21CPE matchmatch criteria
cpe:2.3:o:edimax:br-6104k_router_firmware:3.21:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:edimax:br-6104k:-:*:*:*:*:*:*:*
1.83CPE matchmatch criteria
cpe:2.3:o:canyon-tech:cn-wf512_router_firmware:1.83:*:*:*:*:*:*:*
2.08CPE matchmatch criteria
cpe:2.3:o:canyon-tech:cn-wf514_router_firmware:2.08:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:canyon-tech:cn-wf512:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.48%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0548 is in the 86th percentile among its peer group of 51,485 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

kb.cert.org / vuls/id/357851
US Government Resource
upnp-hacks.org / devices.html
upnp-hacks.org / suspect.html