What’s Vulnerable › Vulnerabilities

CVE-2026-3978: D-Link DIR-513 formEasySetupWizard3 stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-12 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• D-Link DIR-513: 1.10

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/

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