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cisco ios 12.1 vulnerabilities and exploits
(subscribe to this query)
600
VMScore
CVE-2003-0305
The Service Assurance Agent (SAA) in Cisco IOS 12.0 up to and including 12.2, aka Response Time Reporter (RTR), allows remote malicious users to cause a denial of service (crash) via malformed RTR packets to port 1967.
Cisco Ios 12.0(15)s
Cisco Ios 12.0(15)sc
Cisco Ios 12.0(15)sl
Cisco Ios 12.0(16)s
Cisco Ios 12.0(16)sc
Cisco Ios 12.0(16)st
Cisco Ios 12.0(17)s
Cisco Ios 12.0(17)sl
Cisco Ios 12.0(18)s
Cisco Ios 12.0(18)sl
Cisco Ios 12.0(19)s
Cisco Ios 12.0(19)sl
680
VMScore
CVE-2013-0149
The OSPF implementation in Cisco IOS 12.0 up to and including 12.4 and 15.0 up to and including 15.3, IOS-XE 2.x up to and including 3.9.xS, ASA and PIX 7.x up to and including 9.1, FWSM, NX-OS, and StarOS prior to 14.0.50488 does not properly validate Link State Advertisement (L...
Cisco Ios 12.0
Cisco Ios 12.0(1)
Cisco Ios 12.0(1)s
Cisco Ios 12.0(1)st
Cisco Ios 12.0(1)w
Cisco Ios 12.0(1)xa3
Cisco Ios 12.0(1)xb
Cisco Ios 12.0(1)xe
Cisco Ios 12.0(2)
Cisco Ios 12.0(2)xc
Cisco Ios 12.0(2)xd
Cisco Ios 12.0(2)xe
850
VMScore
CVE-2004-1776
Cisco IOS 12.1(3) and 12.1(3)T allows remote malicious users to read and modify device configuration data via the cable-docsis read-write community string used by the Data Over Cable Service Interface Specification (DOCSIS) standard.
Cisco Ios 12.1(3)
Cisco Ios 12.1(3)t
600
VMScore
CVE-2001-0750
Cisco IOS 12.1(2)T, 12.1(3)T allow remote malicious users to cause a denial of service (reload) via a connection to TCP ports 3100-3999, 5100-5999, 7100-7999 and 10100-10999.
Cisco Ios 12.1(2)t
Cisco Ios 12.1(3)t
360
VMScore
CVE-2006-4650
Cisco IOS 12.0, 12.1, and 12.2, when GRE IP tunneling is used and the RFC2784 compliance fixes are missing, does not verify the offset field of a GRE packet during decapsulation, which leads to an integer overflow that references data from incorrect memory locations, which allows...
Cisco Ios 12.0
Cisco Ios 12.1
Cisco Ios 12.2
1000
VMScore
CVE-2007-4285
Unspecified vulnerability in Cisco IOS and Cisco IOS XR 12.x up to 12.3, including some versions prior to 12.3(15) and 12.3(14)T, allows remote malicious users to obtain sensitive information (partial packet contents) or cause a denial of service (router or component crash) via c...
Cisco Ios 12.0
Cisco Ios 12.1
Cisco Ios 12.2
Cisco Ios 12.3
1000
VMScore
CVE-2007-5381
Stack-based buffer overflow in the Line Printer Daemon (LPD) in Cisco IOS prior to 12.2(18)SXF11, 12.4(16a), and 12.4(2)T6 allow remote malicious users to execute arbitrary code by setting a long hostname on the target system, then causing an error message to be printed, as demon...
Cisco Ios 10.3
Cisco Ios 10.3(3.3)
Cisco Ios 10.3(3.4)
Cisco Ios 10.3(4.2)
Cisco Ios 10.3(4.3)
Cisco Ios 10.3(16)
Cisco Ios 10.3(19a)
Cisco Ios 11
Cisco Ios 11.0
Cisco Ios 11.0(12)
Cisco Ios 11.0(17)
Cisco Ios 11.0(17)bt
1 EDB exploit
600
VMScore
CVE-2011-2395
The Neighbor Discovery (ND) protocol implementation in Cisco IOS on unspecified switches allows remote malicious users to bypass the Router Advertisement Guarding functionality via a fragmented IPv6 packet in which the Router Advertisement (RA) message is contained in the second ...
Cisco Ios 4.1
Cisco Ios 4.1.1
Cisco Ios 4.1.2
Cisco Ios 8.2
Cisco Ios 8.3
Cisco Ios 9.0
Cisco Ios 9.1
Cisco Ios 9.14
Cisco Ios 10.0
Cisco Ios 10.3
Cisco Ios 10.3(3.3)
Cisco Ios 10.3(3.4)
810
VMScore
CVE-2008-1153
Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote malicious users to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.
Cisco Cisco Ios 12.3
Cisco Cisco Ios 12.4
Cisco Ios 12.1
Cisco Ios 12.2
1000
VMScore
CVE-2007-4286
Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 up to and including 12.4 allows remote malicious users to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.
Cisco Ios 12.0
Cisco Ios 12.1
Cisco Ios 12.2
Cisco Ios 12.3
Cisco Ios 12.4
1 EDB exploit
Preferred Score:
VMScore
CVSSv2
CVSSv3
CVSSv4
EPSS
VMScore
Recommendations:
CVE-2025-21317
CVE-2025-23940
buffer overflow
CVE-2025-21335
CVE-2025-23860
CVE-2024-57704
SSTI
wireless
CVE-2019-3309
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