VulnerabilityAnalyzed
CVE-2026-3978
A vulnerability was detected in D-Link DIR-513 1.10.
HIGH 7.4EPSS 0.71%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.71% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- dlink/dir-513 firmware
- Source
- cna@vuldb.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.