CVE-2026-3978

7.4 highEPSS 0.7%

High (7.4) in dlink dir-513 firmware. EPSS 0.7% chance of exploitation in the next 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.

Severity

CVSS 4.0

7.4 high

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/E:P

CVSS 3.1

8.8 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-121
Published: 2026-03-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dir-513_firmware

References

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

Check your stack JSON