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

CVE-2026-5981

Description

A vulnerability has been found in D-Link DIR-605L 2.13B01. This affects the function formAdvFirewall of the file /goform/formAdvFirewall of the component POST Request Handler. Such manipulation of the argument curTime leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. 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-formAdvFirewall-33153a41781f80678733f4b12282f3fanvdExploitThird Party Advisory
vuldb.com/submit/791854nvdThird Party AdvisoryVDB Entry
vuldb.com/vuln/356535nvdThird Party AdvisoryVDB Entry
vuldb.com/vuln/356535/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-2026-5981

Credits

W(
wxhwxhwxh_mie (VulDB User)
reporter