13 matches found
Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability
Cisco IOS and IOS XE contains a stack-based buffer overflow vulnerability in the Simple Network Management Protocol SNMP subsystem that could allow for denial of service or remote code execution. A successful exploit could allow a low-privileged attacker to cause the affected system to reload,...
CVE-2025-20160
Cisco IOS and IOS XE TACACS+ vulnerability (CVE-2025-20160): the TACACS+ implementation fails to properly verify the configured shared secret, enabling unauthenticated remote attackers to read unencrypted TACACS+ messages or bypass authentication. This can lead to exposure of sensitive informatio...
Cisco IOS DoS
The vulnerability of the SISF security function in Cisco IOS and Cisco IOS XE operating systems is related to the execution of operations outside the buffer in memory. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...
Cisco IOS XE code issue vulnerabilities
Cisco IOS XE is an operating system from Cisco, Inc. Used as a single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity. A code issue vulnerability exists in Cisco IOS XE that stems from insufficient input...
Cisco IOS SNMP DoS
The vulnerability of SNMP protocol implementations in Cisco IOS, IOS XE, and Cisco IOS XR lies in the access to the buffer with an incorrect length value. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...
Cisco IOS XE VFR DoS
The vulnerability of the IPv4 Virtual Fragmentation Reassembly VFR function in Cisco IOS XE operating systems is related to the use of memory after it is freed. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause a service failure by sending fragmented...
implementation of Cisco IOS DoS
The vulnerability of the Cisco IOS protocol for Integrated Services Routers Generation 2 ISR G2 is related to errors in Ethernet packet classification. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause service failure...
Cisco IOS XE Software security vulnerabilities
Cisco IOS XE Software is an operating system from Cisco, Inc. A single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity. A security vulnerability exists in Cisco IOS XE Software that stems from insufficient...
Cisco Discovery DoS
The vulnerability of the Cisco Discovery protocol in operating systems such as Cisco NX-OS, Cisco FXOS, and Cisco IOS XR is due to a numerical overflow condition. Exploiting this vulnerability can allow an attacker to cause service interruptions remotely...
Cisco IOS XR DoS
The vulnerability of the Cisco IOS XR operating system is related to errors in exceptional states. Exploiting this vulnerability can allow an attacker to cause a service failure by introducing malicious traffic into the target EVPN network...
Cisco IOS Code Execution
The vulnerability of Cisco IOS and Cisco IOS XE operating systems is related to incorrect data validation. Exploiting this vulnerability can allow a malicious actor to trigger an emergency shutdown of the watchdog timer or execute arbitrary code by sending a specially crafted Smart Install messag...
Cisco IOS XE Denial of Service Vulnerability (CNVD-2016-09465)
Cisco IOS XE is the United States Cisco Cisco company's next-generation network operator routing system, a fully modular and fully distributed network interconnection operating system. A denial-of-service vulnerability exists in Cisco IOS XE, which allows an attacker to exploit the vulnerability ...