CRITICAL
CVE-2011-4502
CWE-78Published: November 22, 2011· Updated: Jun 16, 2026
10.0
CVSS v3.1
Official Description
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 execute arbitrary commands via shell metacharacters.
Technical Analysis
CVE-2011-4502 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
canyon-tech4 product(s)
cn-wf512 router firmwarecn-wf514 router firmwarecn-wf512cn-wf514
edimax4 product(s)
br-6104k router firmwarebr-6104k6114wg router firmware6114wg
sitecom2 product(s)
wl-153 router firmwarewl-153
sweex2 product(s)
lb000021 router firmwarelb000021
Source: NVD CPE · 14 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (6)
Quick Facts
CVE IDCVE-2011-4502
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-78
CISA KEVNo
Affected4 vendor(s)
PublishedNov 22, 2011
Related CVEs (CWE-78)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-4502 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.