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CVE-2011-4503

Published: Nov 22, 2011Updated: Apr 29, 2026 Sources: CVE List NVDCWE-16
7.5HIGH
NVD MITRE
EPSS Score
2.1%
Top 20.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

The UPnP IGD implementation in Broadcom Linux on the Sitecom WL-111 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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial
Open in CVSS calculator →

Weaknesses

CWE-16

Affected Products

broadcom
commercial·USaka broadcom inc
broadcom linuxOn-premOS
Operating Systems / linux-distro
sitecom
commercialaka wl-153 router firmware, wl-153, wlx-2006 firmware
wl-111Embedded
Networking Infrastructure / router-switch
and 1 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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References

http://www.upnp-hacks.org/suspect.html
upnp-hacks.org
http://www.kb.cert.org/vuls/id/357851
kb.cert.org

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