The UPnP IGD implementation in the Broadcom UPnP stack on the Cisco Linksys WRT54G with firmware before 4.30.5, WRT54GS v1 through v3 with firmware before 4.71.1, and WRT54GS v4 with firmware before 1.06.1 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.
CVSS Score
7.5
EPSS Score
0.003
Published
2011-11-22
The Linksys WRT54G router stores passwords and keys in cleartext in the Config.bin file, which might allow remote authenticated users to obtain sensitive information via an HTTP request for the top-level Config.bin URI.
CVSS Score
4.0
EPSS Score
0.002
Published
2008-03-10
The Linksys WRT54G router has "admin" as its default FTP password, which allows remote attackers to access sensitive files including nvram.cfg, a file that lists all HTML documents, and an ELF executable file.
CVSS Score
7.5
EPSS Score
0.005
Published
2008-03-10
The Linksys WRT54G router allows remote attackers to cause a denial of service (device restart) via a long username and password to the FTP interface.
CVSS Score
7.8
EPSS Score
0.006
Published
2008-03-10
Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.
CVSS Score
7.5
EPSS Score
0.006
Published
2006-05-24
Linksys WRT54G router uses the same private key and certificate for every router, which allows remote attackers to sniff the SSL connection and obtain sensitive information.
CVSS Score
5.0
EPSS Score
0.003
Published
2005-08-03
The Web interface in Linksys WRT54G 2.02.7 and BEFSR41 version 3, with the firewall disabled, allows remote attackers to attempt to login to an administration web page, even when the configuration specifies that remote administration is disabled.
CVSS Score
7.5
EPSS Score
0.026
Published
2004-12-31