CVE-2026-5983 HIGH

CVE-2026-5983: D-Link DIR-605L POST Request formSetDDNS buffer overflow

Vendor D-Link
Product DIR-605L
Weakness CWE-120
Published April 9, 2026
Last update April 14, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 14, 2026 Record updated