Is this vulnerability remotely exploitable?

It can be, depending on how the import feature is exposed. If an attacker can cause the app to import attacker-controlled content via network delivery, shared links, or inter-app communication, exploitation may be possible without direct physical access.

What level of access does an attacker need?

The attacker needs the ability to supply or influence files or metadata that the application processes through its import mechanism. This might involve tricking a user into opening a crafted file within the app or abusing another component that passes data into the import workflow.

What is the safest general fix pattern?

The safest pattern is to completely decouple stored file paths from user-controlled values by using application-generated filenames and a fixed, whitelisted storage directory, combined with strict path canonicalization and validation before any file write.

Severity:

CRITICAL RISK

(9.0)

Arbitrary File Overwrite via File Import (CWE-73) in Cast to TV Screen Mirroring

CVE-2026-30282

Published:

Mar 31, 2026

Status:

Undergoing Analysis

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:

Arbitrary File Overwrite

CWE:

CWE-22;CWE-73

Impact:

Arbitrary Code Execution and Information Exposure

Severity:

CRITICAL RISK

(9.0)

CVSS Version:

3.1

Vulnerability Type

Category:

Arbitrary File Overwrite

CWE:

CWE-22;CWE-73

Impact:

Arbitrary Code Execution and Information Exposure

Severity:

CRITICAL RISK

(9.0)

CVSS Version:

3.1

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Arbitrary File Overwrite via File Import (CWE-73) in Cast to TV Screen Mirroring

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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