Is this vulnerability remotely exploitable over the internet?

Yes, but it typically requires valid administrative access to the Emlog interface or any role capable of uploading ZIP archives. An attacker must be able to authenticate and access the upload/import functions to supply a crafted ZIP.

What level of access does an attacker need to exploit this issue?

The attacker needs authenticated access with permissions to upload and trigger extraction of ZIP archives (plugins, templates, or backups). It does not usually require shell access or direct filesystem access—only the ability to use the application's upload features.

What is the safest general fix pattern for developers?

Implement strict path validation for every archive entry before extraction. Normalize each entry's path, reject any that contain traversal sequences or absolute paths, ensure all resulting paths remain under a known-safe directory, and optionally extract to a temporary location before moving vetted files into production directories.

Severity:

HIGH RISK

(7.2)

Path Traversal in ZIP Extraction (CWE-22) in Emlog emUnZip() File Handling

CVE-2026-34607

Published:

Apr 3, 2026

Status:

Received

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:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Remote Code Execution via Arbitrary File Write

Severity:

HIGH RISK

(7.2)

CVSS Version:

3.1

Vulnerability Type

Category:

Path Traversal / Directory Traversal

CWE:

CWE-22

Impact:

Remote Code Execution via Arbitrary File Write

Severity:

HIGH RISK

(7.2)

CVSS Version:

3.1

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Path Traversal in ZIP Extraction (CWE-22) in Emlog emUnZip() File Handling

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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