CVE-2026-3978

HIGH 8.8

D-Link DIR-513 formEasySetupWizard3 stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	d-link
Product	dir-513
Published	Mar 12, 2026
Last Updated	Mar 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-513

1.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.350413 vuldb.com: https://vuldb.com/?ctiid.350413 vuldb.com: https://vuldb.com/?submit.769586 github.com: https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_21/README.md dlink.com: https://www.dlink.com/

Credits

🔍 LtzHust2 (VulDB User)