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.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

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

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

No history.

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
dir-513_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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