CVE-2026-3978

high

Description

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.

References

https://www.dlink.com/

https://vuldb.com/?submit.769586

https://vuldb.com/?id.350413

https://vuldb.com/?ctiid.350413

https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_21/README.md

Details

Source: Mitre, NVD

Published: 2026-03-12

Updated: 2026-03-12

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High