by Kastro
Paper/Archive/CVE-2026-86509

CVE-2026-86509

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

EPSS 0.7%public exploitCVSS 9.6
critical.is priorityof 100
50
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 54.0.540 × 2010.8Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
DIR-895LA1_102b07–CNA

Scores by source

VulDB (CNA)9.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.6CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.4CVSS: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
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

writeupvuldb.com/vuln/399662refvuldb.com/vuln/399662/ctiwriteupvuldb.com/cve/CVE-2026-86509writeupvuldb.com/submit/906298exploittzh00203.notion.site/D-Link-DIR-895L-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80dc8140e1502e4814d0refdlink.com