CVE-2013-5480

The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service device reload via a crafted IPv4 DNS TCP stream, aka Bug ID CSCuf28733...

CVE-2013-5475

Cisco IOS 12.2 through 12.4 and 15.0 through 15.3, and IOS XE 2.1 through 3.9, allows remote attackers to cause a denial of service device reload via crafted DHCP packets that are processed locally by a 1 server or 2 relay agent, aka Bug ID CSCug31561...

CVE-2013-5474

Race condition in the IPv6 virtual fragmentation reassembly VFR implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.3 allows remote attackers to cause a denial of service device reload or hang via fragmented IPv6 packets, aka Bug ID CSCud64812...

CVE-2013-5473

Memory leak in Cisco IOS 12.2, 15.1, and 15.2; IOS XE 3.4.2S through 3.4.5S; and IOS XE 3.6.xS before 3.6.1S allows remote attackers to cause a denial of service memory consumption or device reload via malformed IKEv1 packets, aka Bug ID CSCtx66011...

CVE-2011-3275

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service memory consumption via a crafted SIP message, aka Bug ID CSCti48504...

VulnCheck KEV: CVE-2000-0984

The HTTP server in Cisco IOS 12.0 through 12.1 allows local users to cause a denial of service crash and reload via a URL containing a "?/" string...

CVE-2007-5551

Off-by-one error in Cisco IOS allows remote attackers to execute arbitrary code via unspecified vectors that trigger a heap-based buffer overflow. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, i...

CVE-2002-2052

Cisco 2611 router running IOS 12.16.5, possibly an interim release, allows remote attackers to cause a denial of service via port scans such as 1 scanning all ports on a single host and 2 scanning a network of hosts for a single open port through the router. NOTE: the vendor could not reproduce...

CVE-2002-2315

Cisco IOS 11.2.x and 12.0.x does not limit the size of its redirect table, which allows remote attackers to cause a denial of service memory consumption via spoofed ICMP redirect packets to the router...

CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service session reset via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009...

CVE-2007-5552

Integer overflow in Cisco IOS allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for...

CVE-2007-5550

Unspecified vulnerability in Cisco IOS allows remote attackers to obtain the IOS version via unspecified vectors involving a "common network service", aka PSIRT-1255024833. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from ...

CVE-2009-2056

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service process crash via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path...

CVE-2003-0647

Buffer overflow in the HTTP server for Cisco IOS 12.2 and earlier allows remote attackers to execute arbitrary code via an extremely long 2GB HTTP GET request...

CVE-2002-2053

The design of the Hot Standby Routing Protocol HSRP, as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause a denial of service CPU consumption via a router with the same IP address as the interface on which HSRP is running, which causes a loop...

CVE-2009-1154

Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service process crash via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute...

CVE-2025-5020

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client This vulnerability affects Firefox for iOS 139...

CVE-2025-5020

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139...

CVE-1999-0159

Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt such as a login. This applies to some IOS 9.x, 10.x, and 11.x releases...

CVE-2025-5020 Links using non-HTTP schemes opened from other apps such as Safari could have allowed spoofing of website addresses

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139...