High 8.8Published Mar 12, 2026

CVE-2026-3978A vulnerability was detected in D-Link DIR-513 1.10.

Updated under an hour ago (2026-10-19 11:10 UTC)

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It affects dlink dir-513_firmware. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for dlink dir-513_firmware

Exploited in the last 30 days

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: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119, CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

dlink dir-513_firmware dlink:dir-513_firmware	1.10	NVD

References

https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_21/README.mdexploit, third-party-advisory
https://vuldb.com/?ctiid.350413permissions-required, vdb-entry
https://vuldb.com/?id.350413third-party-advisory, vdb-entry
https://vuldb.com/?submit.769586third-party-advisory, vdb-entry
https://www.dlink.com/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.