CVE-2026-4181

HIGH EPSS 63.9%
Published Mar 16, 20263mo ago · Modified Apr 6, 20262mo ago
8.9 CVSS 4.0
High
Find Similar
Published Mar 16, 2026 3mo ago
Last Modified Apr 6, 2026 2mo ago

Description

A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS Details

Base Score
8.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
63.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 2

VendorProductVersionRange
dlinkdir-816_firmware1.10cnb05any
dlinkdir-816*any

References 5

  • github.com https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.351085
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.351085
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.769829
    Third Party AdvisoryVDB Entry
  • dlink.com https://www.dlink.com/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.