CVE-2026-86509

CRITICALCVSS 9.6

Description

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.

Timeline

Published:September 8th, 2026 1:17 AM

Last modified:September 8th, 2026 1:17 AM

CVSS Scoring

CVSS v3: 9.6 (CRITICAL)

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2: 8.3

Weaknesses (CWE)

CWE-119 CWE-121

References & Reports

Advisories, patches, and third-party reports

https://tzh00203.notion.site/D-Link-DIR-895L-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80dc8140e1502e4814d0
https://vuldb.com/cve/CVE-2026-86509
https://vuldb.com/submit/906298
https://vuldb.com/vuln/399662
https://vuldb.com/vuln/399662/cti
https://www.dlink.com/

Source: NIST NVD · Data may lag official sources by up to one minute