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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.

PUBLISHED Reserved 2026-03-11 | Published 2026-03-12 | Updated 2026-03-12 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.10
affected

Timeline

2026-03-11:Advisory disclosed
2026-03-11:VulDB entry created
2026-03-11:VulDB entry last update

Credits

LtzHust2 (VulDB User) reporter

References

vuldb.com/?id.350413 (VDB-350413 | D-Link DIR-513 formEasySetupWizard3 stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.350413 (VDB-350413 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.769586 (Submit #769586 | D-Link DIR-513 1.10 Stack-based Buffer Overflow) third-party-advisory

github.com/...zheng/vul_db/blob/main/Dir513/vul_21/README.md exploit

www.dlink.com/ product

cve.org (CVE-2026-3978)

nvd.nist.gov (CVE-2026-3978)

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