CVE-2026-86509

CRITICAL 9.6

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

CVSS Score

9.6

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	d-link
Product	dir-895l
Published	Sep 8, 2026
Last Updated	Sep 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-895L

A1_102b07

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 tian (VulDB User)