GBHackers

FreeBSD Systems at Risk From DHCP Client RCE Vulnerability

ATT&CK techniques detected

2 predictions

T1068Exploitation for Privilege Escalation

87%

“freebsd systems at risk from dhcp client rce vulnerability the freebsd project has issued a critical security advisory ( freebsd - sa - 26 : 12. dhclient ) to address a severe remote code execution ( rce ) vulnerability in its default ipv4 dhcp client. tracked as cve - 2026 - 425…”

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T1068Exploitation for Privilege Escalation

75%

“the attacker - controlled field is passed directly to the dhclient - script ( 8 ) service, which evaluates and executes the injected code. to successfully exploit cve - 2026 - 42511, an attacker must be positioned on the same local broadcast domain as the target. by deploying a r…”

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Summary

The FreeBSD Project has issued a critical security advisory (FreeBSD-SA-26:12.dhclient) to address a severe Remote Code Execution (RCE) vulnerability in its default IPv4 DHCP client. Tracked as CVE-2026-42511, this flaw allows local network attackers to execute arbitrary code with root privileges. Discovered by Joshua Rogers of the AISLE Research Team, the vulnerability affects all supported […]

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