CVE-2026-29004

A flaw was found in BusyBox. A heap buffer overflow vulnerability exists in the Dynamic Host Configuration Protocol version 6 DHCPv6 client, specifically within the optiontoenv function. Network-adjacent attackers can exploit this by sending a crafted DHCPv6 response containing a malformed...

SUSE CVE-2026-29004

BusyBox before commit 42202bf contains a heap buffer overflow vulnerability in the DHCPv6 client udhcpc6 DNSSERVERS option handler in networking/udhcp/d6dhcpc.c that allows network-adjacent attackers to trigger memory corruption by sending a crafted DHCPv6 response with a malformed D6OPTDNSSERVER...

CVE-2026-42511

The BOOTP file field is written to the lease file without escaping embedded double-quotes, allowing injection of arbitrary dhclient.conf directives. When the lease file is subsequently re-parsed by dhclient, e.g., after a system restart, an attacker-controlled field from the lease is passed to...

CVE-2026-7424

CVE-2026-7424 describes an integer underflow in the DHCPv6 sub-option parser of FreeRTOS-Plus-TCP. The issue affects FreeRTOS-Plus-TCP versions before V4.4.1 and before V4.2.6, and is triggered when DHCPv6 is enabled. An adjacent network actor can exploit the underflow by sending a crafted DHCPv6...

CVE-2026-7067 D-Link DIR-822 udhcpd DHCP Service dhcpd.c system command injection

A vulnerability was determined in D-Link DIR-822 A101. The impacted element is the function system of the file /udhcpcd/dhcpd.c of the component udhcpd DHCP Service. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been...

[SECURITY] Fedora 42 Update: kea-3.0.3-1.fc42

DHCP implementation from Internet Systems Consortium, Inc. that features fully functional DHCPv4, DHCPv6 and Dynamic DNS servers. Both DHCP servers fully support server discovery, address assignment, renewal, rebinding and release. The DHCPv6 server supports prefix delegation. Both servers suppor...

PT-2026-6722

Name of the Vulnerable Software and Affected Versions D-Link DIR-605L version 2.06B01 D-Link DIR-619L version 2.06B01 D-Link DIR-605L version 2.13B01 D-Link DIR-619L version 2.13B01 Description A weakness exists in D-Link DIR-605L and DIR-619L routers. The issue is related to an unknown function...

PT-2026-3285

Name of the Vulnerable Software and Affected Versions DHCP Broadband version 4.1.0.1503 Description The software contains an unquoted service path vulnerability in its service configuration. This allows local attackers to execute code with elevated privileges. The vulnerable path is located at...

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved code-related issues and vulnerabilities

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of the American company Juniper Networks. Juniper Networks Junos OS is a network operating system specifically designed for the company’s hardware devices. This operating system provides secure programming interface...

CVE-2025-15229 Tenda CH22 DhcpListClient fromDhcpListClient denial of service

A vulnerability has been found in Tenda CH22 up to 1.0.0.1. Affected by this vulnerability is the function fromDhcpListClient of the file /goform/DhcpListClient. Such manipulation of the argument LISTLEN leads to denial of service. The attack may be launched remotely. The exploit has been disclos...

OESA-2025-2843 dhcp security update

The Dynamic Host Configuration Protocol DHCP is a network management protocol used on UDP/IP networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks. Security Fixes: Unde...

Siemens SIMATIC S7-1500 Authentication Bypass by Spoofing (CVE-2020-13529)

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server. Th...

Advisory ROSA-SA-2025-3044

Software: dhcp 4.4.2 OS: ROSA Virtualization 3.1 unaffected versions = dhcp-4.4.2-19.b1.rv31 affected versions dhcp-4.4.2-19.b1.rv31 CVE-ID: CVE-2021-25217 BDU-ID: CVE-Crit: HIGH CVE-DESC.: A software vulnerability providing the DHCP Dynamic Host Configuration Protocol service to the network is...

EUVD-2006-3119

Malware in sbrugna...

EUVD-2020-12475

Malware in sbrugna...

RHEL 9 : NetworkManager (RHSA-2025:16411)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:16411 advisory. NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software DHCP Denial of Service Vulnerability

A vulnerability in the DHCP client functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to exhaust available memory. This vulnerability is due to improper validation ...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are both products of Cisco, Inc.Cisco Secure Firewall Adaptive Cisco Secure Firewall Adaptive Security Appliance is an enterprise-class firewall software.Cisco Secure Firewall Threat Defense is an integrate...

CVE-2025-20162

A vulnerability in the DHCP snooping security feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a full interface queue wedge, which could result in a denial of service DoS condition. This vulnerability is due to improper handling of DHCP request packets. An...

CLSA-2025-1741126840 dhcp: Fix of CVE-2023-4408

CVE-2023-4408: use hashtable when parsing a message...