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

CVE-2026-86509
CRITICAL 9.4

At a glance

Source
NVD
EPSS
EPSS 0.72 % · percentile 54 ()
State
PUBLISHED
Published
Updated
Assigner
VulDB
NVD status
Deferred

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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.

Weaknesses (CWE)

  • CWE-121 — Stack-based Buffer Overflow
  • CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Scores

VersionScoreVectorScored by
CVSS 4.0CRITICAL 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:PVulDB
CVSS 3.1CRITICAL 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:RVulDB
CVSS 3.0CRITICAL 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:RVulDB
CVSS 2.0HIGH 8.3AV:A/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:URVulDB
CVSS 4.0HIGH 8.6CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · cna@vuldb.com (Secondary)
CVSS 3.1CRITICAL 9.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HNVD · cna@vuldb.com (Secondary)
CVSS 2.0HIGH 8.3AV:A/AC:L/Au:N/C:C/I:C/A:CNVD · cna@vuldb.com (Secondary)

European references

Affected products

ProductVersions
D-Link · DIR-895Laffected A1_102b07

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD