CVE-2026-4181

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-4181
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.351085 Permissions Required VDB Entry
https://vuldb.com/?id.351085 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769829 Third Party Advisory VDB Entry
https://www.dlink.com/ Product
Configurations

Configuration 1 (hide)

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

19 Mar 2026, 19:58

Type Values Removed Values Added
CPE cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-816:-:*:*:*:*:*:*:*
Summary
  • (es) Una falla de seguridad ha sido descubierta en D-Link DIR-816 1.10CNB05. Esto afecta una función desconocida del archivo /goform/form2RepeaterStep2.cgi del componente goahead. La manipulación del argumento key1/key2/key3/key4/pskValue resulta en desbordamiento de búfer basado en pila. El ataque puede ser lanzado remotamente. El exploit ha sido liberado al público y puede ser usado para ataques. Esta vulnerabilidad solo afecta productos que ya no son compatibles por el mantenedor.
First Time Dlink dir-816 Firmware
Dlink dir-816
Dlink
References () https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md - () https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.351085 - () https://vuldb.com/?ctiid.351085 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.351085 - () https://vuldb.com/?id.351085 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769829 - () https://vuldb.com/?submit.769829 - Third Party Advisory, VDB Entry
References () https://www.dlink.com/ - () https://www.dlink.com/ - Product
CWE CWE-787

16 Mar 2026, 14:19

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-16 14:19

Updated : 2026-03-19 19:58

NVD link : CVE-2026-4181

Mitre link : CVE-2026-4181

CVE.ORG link : CVE-2026-4181

JSON object : View

Products Affected

dlink

  • dir-816
  • dir-816_firmware
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write