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Vulnerability record · CVE-2026-4486 · published 20 March 2026

CVE-2026-4486: Dlink dir-513 firmware memory buffer overflow vulnerability

Dlink · Dir 513 Firmware

A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

7.4 CVSS 4.0 High EPSS 1.1% · top 36.6% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/formEasySetPassword.md ExploitThird Party Advisory
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/poc.py Exploit
https://vuldb.com/?ctiid.352009 Permissions RequiredVDB Entry
https://vuldb.com/?id.352009 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.773537 Issue TrackingVDB Entry
https://vuldb.com/?submit.773566 Third Party AdvisoryVDB Entry
https://www.dlink.com/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-70245Dlink dir-513 firmware out-of-bounds write vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetWizardSelectMode.EPSS 0.60%9.8CVE-2025-70232Dlink dir-513 firmware stack-based buffer overflow vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetMACFilter.EPSS 0.63%9.8CVE-2025-70233Dlink dir-513 firmware stack-based buffer overflow vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetEnableWizard.EPSS 0.63%9.8CVE-2025-70229Dlink dir-513 firmware stack-based buffer overflow vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSchedule.EPSS 0.63%9.8CVE-2025-70230Dlink dir-513 firmware stack-based buffer overflow vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formSetDDNS.EPSS 0.78%9.8CVE-2025-70231Dlink dir-513 firmware path traversal vulnerabilityD-Link DIR-513 version 1.10 contains a critical-level vulnerability. When processing POST requests related to verification codes in /goform/formLogin…EPSS 0.66%9.8CVE-2025-70222Dlink dir-513 firmware stack-based buffer overflow vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formLogin,goform/getAuthCode.EPSS 0.49%9.8CVE-2025-70221Dlink dir-513 firmware stack-based buffer overflow vulnerabilityStack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formLogin.EPSS 0.49%

Source: NIST National Vulnerability Database (record CVE-2026-4486), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.