21 matches found
CVE-2026-19655
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...
CVE-2026-19655 On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay/snooping configured with the information option (Option 82), or with the DHCP server configured with match criteria based on the information option, an unauthent
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...
CVE-2026-19655 On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay/snooping configured with the information option (Option 82), or with the DHCP server configured with match criteria based on the information option, an unauthent
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...
CVE-2026-19655
CVE-2026-19655 affects Arista EOS when DHCP relay/snooping is configured with Option 82 (information option) or when the DHCP server uses match criteria based on that option. An unauthenticated attacker on a client-facing VLAN can send a specially crafted packet that triggers a DHCP Relay service...
EUVD-2026-80003
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...
PT-2026-93170
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...
CVE-2026-19655: Improper Input Validation
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...
Security Advisory 0155
Security Advisory 0155 . CSAF PDF Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-19655 CVSSv3.1 Base Score: 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSSv4.0 Base Scor...
CVE-2025-59960: Improper Check for Unusual or Exceptional Conditions
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Juniper DHCP service jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a DHCP client in one subnet to exhaust the address pools of other subnets, leading to a Denial of Service DoS on the downstream DHCP...
EUVD-2018-0997
Malware in sbrugna...
CVE-2025-30644 Junos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet causes FPC crash when DHCP Option 82 is enabled
A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator FPC of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series allows an attacker to send a specific DHCP packet to the device, leading to an FPC crash and...
CVE-2025-30644 Junos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet causes FPC crash when DHCP Option 82 is enabled
A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator FPC of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series allows an attacker to send a specific DHCP packet to the device, leading to an FPC crash and...
Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow for denial-of-service DoS...
CVE-2022-22176: Improper Validation of Syntactic Correctness of Input
An Improper Validation of Syntactic Correctness of Input vulnerability in the Juniper DHCP daemon jdhcpd of Juniper Networks Junos OS allows an adjacent unauthenticated attacker sending a malformed DHCP packet to cause a crash of jdhcpd and thereby a Denial of Service DoS. If option-82 is...
Cisco Ios Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability exists because the affected...
Input validation
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability exists because the affected...
CVE-2018-0172
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability exists because the affected...
Cisco IOS and IOS XE Software DHCP Version 4 Relay Reply Denial of Service Vulnerability
A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 DHCPv4 packets could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The...
CVE-2018-0172: Improper Input Validation
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability exists because the affected...
CVE-2018-0173: Improper Input Validation
A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 DHCPv4 packets could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a Relay Reply denial of service DoS...