dracut: dracut: Root code execution via DHCP options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...

PT-2026-49283

Name of the Vulnerable Software and Affected Versions dhcpcd version 10.3.0 Description A NULL pointer dereference occurs during the parsing of configuration options. In the parse option function, the software performs a member access on a NULL pointer of type struct dhcp opt when an invalid opti...

Ubuntu 24.04 LTS / 25.10 : Kea DHCP vulnerability (USN-8403-1)

The remote Ubuntu 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8403-1 advisory. Ali Norouzi discovered that Kea DHCP did not properly handle maliciously crafted messages over configured API sockets and HA listeners. A remote attacker...

CVE-2026-6893 Dracut: dracut: root code execution via dhcp options command injection

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP Dynamic Host Configuration Protocol options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and...

CVE-2026-45608 Windows DHCP Client Information Disclosure Vulnerability

...

CVE-2026-45602

Technical details (affected product versions, root cause, exploit specifics, and remediation) are not publicly available in the provided documents. Monitor for updates from NVD and CVE List for CVE-2026-45602.

PT-2026-47931

Name of the Vulnerable Software and Affected Versions Windows DHCP Client affected versions not specified Description A stack-based buffer overflow exists in the Windows DHCP Client, allowing an unauthorized remote attacker to execute arbitrary code over a network and affect the system. The issue...

CVE-2026-20182

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show...

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...

EUVD-2026-31948

FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniperplugin/fastnetmonjuniper.php, the $IPATTACK variable received from argv1 is directly interpolated into Juniper NETCONF set-configuration commands at...

EUVD-2026-30202

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability i...

CVE-2026-34960

barebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within the dhcpmessagetype function that fails to verify the options pointer remains within received packet bounds. An attacker on the same broadcast domain can send a crafted DHCP Offer or ACK...

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...

CVE-2026-21919

Summary: CVE-2026-21919 describes an Incorrect Synchronization vulnerability in Juniper mgd (management daemon) on Junos OS and Junos OS Evolved. When NETCONF sessions are rapidly opened and closed, a locking issue can cause mgd processes to hang in a lockf state, eventually hitting the maximum p...

[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-2026-22777

Name of the Vulnerable Software and Affected Versions Weintek cMT-3072XH2 easyweb Web Version 2.1.53, OS 20231011 Description A command injection issue exists in the DHCP activation feature. Successful exploitation allows attackers to execute arbitrary commands with root privileges. The vulnerabl...

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...