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CVE-2026-86509

D-Link DIR-895L udhcpcd serverpacket.c sendACK stack-based overflow

CVSS 4.0 9.4 CRITICALCVSS 3.1 9.6 CRITICALCVSS 3.0 9.6 CRITICALCVSS 2.0 8.3 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86509

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86509

Published

DIR-895L

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "D-Link",
                    "product": "DIR-895L",
                    "versions": [
                        {
                            "version": "A1_102b07",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:h:d-link:dir-895l:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "udhcpcd"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON