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

CVE-2026-4181

CRITICAL 9.3

En bref

Source: NVD
EPSS: EPSS 1.21 % · centile 68 (2026-10-30)
État: PUBLISHED
Publiée: 2026-03-15 16:02 UTC
Mise à jour: 2026-03-16 14:40 UTC
Attribuée par: VulDB
Statut NVD: Analyzed

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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.

Faiblesses (CWE)

CWE-121 — Débordement de tampon sur la pile
CWE-119 — Opération hors des limites d'un tampon mémoire
CWE-787 — Écriture hors limites

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	CRITICAL 9.3	CVSS: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	VulDB
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
CVSS 3.0	CRITICAL 9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
CVSS 2.0	CRITICAL 10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB
CVSS 4.0	HIGH 8.9	CVSS: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:X	NVD · cna@vuldb.com (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · cna@vuldb.com (Secondary)
CVSS 2.0	HIGH 10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C	NVD · cna@vuldb.com (Secondary)

Références européennes

ENISA EUVD · EUVD-2026-12233
GCVE · GCVE-0-2026-4181

Configurations affectées (CPE NVD)

cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
D-Link · DIR-816	affected 1.10CNB05

Sources

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

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