CVSS v3
9.6
CRITICAL
EPSS Score
0.7 %
exploit probability, as of 2026-09-29
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-09-08
- Last Modified
- 2026-09-08
Frequently asked questions
What is CVE-2026-86509?
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.
Is CVE-2026-86509 actively exploited?
Active exploitation of CVE-2026-86509 has not been confirmed. Its EPSS score was 0.7% on 2026-09-29, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-86509?
CVE-2026-86509 has a CVSS v3 base score of 9.6 (CRITICAL severity).
Is CVE-2026-86509 affecting your environment?
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