CVE-2026-86509

HIGH CVSS 4.0: 8.6 EPSS 0.43%
Updated Sep 08, 2026
D-Link
Parameter Value
CVSS 8.6 (HIGH)
Type CWE-121 (Stack-based Buffer Overflow), CWE-119 (Buffer Overflow)
Vendor D-Link
Public PoC No

A flaw has been found in D-Link DIR-895L A1_102b07. This impacts the function sendOffer/sendACK of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow.

The attack can only be done within the local network. The exploit has been published and may be used.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0