Is this vulnerability remotely exploitable?

Yes. The `/upload` endpoint can be abused remotely by any party that can reach it over the network, without authentication, to upload arbitrary files and potentially large volumes of data.

Does exploitation require authentication or special privileges?

No. Based on the description, the vulnerability is exposed to unauthenticated users; any remote attacker can send upload requests if they can access the endpoint.

What is the safest general fix pattern?

The safest pattern is to treat all uploaded content as untrusted: enforce strict file-type allowlists, impose conservative size and rate limits, store uploads in non-executable, segregated storage, and ensure that no upload is ever executed or interpreted by the server or downstream components.

Severity:

CRITICAL RISK

(9.8)

Unrestricted File Upload (CWE-434) in MediaCrush /upload Endpoint

CVE-2025-61506

Published:

Feb 3, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Denial of Service, Potential Remote Code Execution, and Storage Abuse

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Denial of Service, Potential Remote Code Execution, and Storage Abuse

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Unrestricted File Upload (CWE-434) in MediaCrush /upload Endpoint

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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