D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow (D-Link DIR-816)

CVE-2026-4181
CRITICAL 9.3

At a glance

Source
NVD
EPSS
EPSS 1.21 % · percentile 68 ()
State
PUBLISHED
Published
Updated
Assigner
VulDB
NVD status
Analyzed

Description

A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Weaknesses (CWE)

  • CWE-121 — Stack-based Buffer Overflow
  • CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 — Out-of-bounds Write

References

Scores

VersionScoreVectorScored by
CVSS 4.0CRITICAL 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:PVulDB
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:RVulDB
CVSS 3.0CRITICAL 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:RVulDB
CVSS 2.0CRITICAL 10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:URVulDB
CVSS 4.0HIGH 8.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · cna@vuldb.com (Secondary)
CVSS 2.0HIGH 10.0AV:N/AC:L/Au:N/C:C/I:C/A:CNVD · cna@vuldb.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
D-Link · DIR-816affected 1.10CNB05

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