CVE-2026-3978

HIGH

D-Link DIR-513 1.10 - Buffer Overflow

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0005
EPSS Percentile 16.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-121 CWE-119
Status published
Products (1)
dlink/dir-513_firmware 1.10
Published Mar 12, 2026
Tracked Since Mar 12, 2026