CVE-2026-3978

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-3978
A vulnerability was detected in D-Link DIR-513 1.10. The impacted element is an unknown function of the file /goform/formEasySetupWizard3. The manipulation of the argument wan_connected results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_21/README.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.350413 Permissions Required VDB Entry
https://vuldb.com/?id.350413 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769586 Third Party Advisory VDB Entry
https://www.dlink.com/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dir-513_firmware:1.10:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-513:-:*:*:*:*:*:*:*
History

16 Mar 2026, 17:59

Type Values Removed Values Added
CPE cpe:2.3:o:dlink:dir-513_firmware:1.10:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-513:-:*:*:*:*:*:*:*
References () https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_21/README.md - () https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_21/README.md - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.350413 - () https://vuldb.com/?ctiid.350413 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.350413 - () https://vuldb.com/?id.350413 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.769586 - () https://vuldb.com/?submit.769586 - Third Party Advisory, VDB Entry
References () https://www.dlink.com/ - () https://www.dlink.com/ - Product
First Time Dlink dir-513
Dlink dir-513 Firmware
Dlink

12 Mar 2026, 21:07

Type Values Removed Values Added
Summary
  • (es) Una vulnerabilidad fue detectada en D-Link DIR-513 1.10. El elemento afectado es una función desconocida del archivo /goform/formEasySetupWizard3. La manipulación del argumento wan_connected resulta en desbordamiento de búfer basado en pila. El ataque puede ser lanzado remotamente. El exploit es ahora público y puede ser usado.

12 Mar 2026, 04:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-12 04:16

Updated : 2026-03-16 17:59

NVD link : CVE-2026-3978

Mitre link : CVE-2026-3978

CVE.ORG link : CVE-2026-3978

JSON object : View

Products Affected

dlink

  • dir-513_firmware
  • dir-513
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow