High severity8.8NVD Advisory· Published Apr 9, 2026· Updated Apr 30, 2026

CVE-2026-5983

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.

Affected products

Dlink/Dir 605l Firmware
cpe:2.3:o:dlink:dir-605l_firmware:2.13b01:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

lavender-bicycle-a5a.notion.site/D-Link-DIR-605L-formSetDDNS-33153a41781f802f9997f48dc9cf6304nvdExploitThird Party Advisory
vuldb.com/submit/791856nvdThird Party AdvisoryVDB Entry
vuldb.com/vuln/356537nvdThird Party AdvisoryVDB Entry
vuldb.com/vuln/356537/ctinvdPermissions RequiredVDB Entry
www.dlink.comnvdProduct

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v47.4

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:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

Probability of exploitation in the next 30 days.

0.04%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2026-5983

Credits

W(
wxhwxhwxh_mie (VulDB User)
reporter