CVE-2024-4961Public exploitNetwork attack vector

Authenticated arbitrary file upload via onlineuser.php

Published May 16, 2024 · Updated Aug 23, 2024

Unrestricted file upload in D-Link DAR-7000-40 V31R02B1413C allows remote authenticated users to upload arbitrary files. The /user/onlineuser.php handler processes file_upload without restricting dangerous file types, permitting attacker-controlled content on the appliance. Low-privilege authentication is required, and the demonstrated consequence is an attacker-chosen file write rather than confirmed code execution.

CVSS severity9.8
Critical
EPSS probability2.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Unrestricted file upload in D-Link DAR-7000-40 V31R02B1413C allows remote authenticated users to upload arbitrary files. The /user/onlineuser.php handler processes file_upload without restricting dangerous file types, permitting attacker-controlled content on the appliance. Low-privilege authentication is required, and the demonstrated consequence is an attacker-chosen file write rather than confirmed code execution.

The record

CVE
CVE-2024-4961
Published
May 16, 2024
Updated
Aug 23, 2024
Vendor
D-Link
Product
DAR-7000-40
Classifications
CWE-434, T1105
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=V31R02B1413C

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

D-Link · DAR-7000-40version=V31R02B1413C

Published CVSS scores

6.3VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P
6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1105Ingress Tool Transfer

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo