CVE-2026-86509

8.6 highEPSS 0.7%

High (8.6). EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS 3.1

9.6 critical

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-09-08
Modified: 2026-09-11
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON