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Wrt54gs

wrt54gs

Vendor: Linksys • 3 CVEs

CVEs (3)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Cisco
Linksys
4Linksys Wrt54g Router Firmware
Linksys Wrt54gs Router FirmwareWrt54g+1 more
Apr 29, 2026
Nov 22, 2011
N/A· v4
N/A· v3
7.5 HIGH· v2
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...Show more
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.Show less
1Linksys
4Befw11s4
Befw11s4 V3Befw11s4 V4+1 more
Apr 16, 2026
Dec 15, 2005
N/A· v4
N/A· v3
7.8 HIGH· v2
Linksys WRT54GS and BEFW11S4 allows remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LAND). NOTE: the proven...Show more
Linksys WRT54GS and BEFW11S4 allows remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LAND). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.Show less
1Linksys
1Wrt54gs
Apr 16, 2026
Aug 17, 2005
N/A· v4
N/A· v3
7.5 HIGH· v2
Unknown vulnerability in Linksys WRT54GS wireless router with firmware 4.50.6, with WPA Personal/TKIP authentication enabled, allows remote clients to bypass authentication by connecting without using encryption.