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Vulnerability record · CVE-2026-5983 · published 9 April 2026

CVE-2026-5983: Dlink dir-605l firmware memory buffer overflow vulnerability

Dlink · Dir 605l Firmware

A vulnerability was determined in D-Link DIR-605L 2.13B01. This issue affects the function formSetDDNS of the file /goform/formSetDDNS of the component POST Request Handler. Executing a manipulation of the argument curTime can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This vulnerability only affects products that are no longer supported by the maintainer.

7.4 CVSS 4.0 High EPSS 1.2% · top 33.9% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was determined in D-Link DIR-605L 2.13B01. This issue affects the function formSetDDNS of the file /goform/formSetDDNS of the component POST Request Handler. Executing a manipulation of the argument curTime can lead to buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. 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://lavender-bicycle-a5a.notion.site/D-Link-DIR-605L-formSetDDNS-33153a41781f802f9997f48dc9cf6304?source=copy_link ExploitThird Party Advisory
https://vuldb.com/submit/791856 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/356537 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/356537/cti Permissions RequiredVDB Entry
https://www.dlink.com/ Product

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2026-5983), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.