CVE-2017-13067

CRITICAL

QNAP QTS Media Library < 4.2.6/4.3.3.0299 - Unauthenticated RCE via Transcoding

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-13067. PoCs published by Zenofex, 0x00string, bcoles, including Metasploit module exploits/linux/misc/qnap_transcode_server.

AI-analyzed exploit summary This Metasploit module exploits an unauthenticated remote command injection vulnerability in QNAP NAS devices via the transcoding server on port 9251. It uses the 'rmfile' command to inject payloads, bypassing filtered characters by replacing spaces with tabs.

Description

QNAP has patched a remote code execution vulnerability affecting the QTS Media Library in all versions prior to QTS 4.2.6 build 20170905 and QTS 4.3.3.0299 build 20170901. This particular vulnerability allows a remote attacker to execute commands on a QNAP NAS using a transcoding service on port 9251. A remote user does not require any privileges to successfully execute an attack.

Exploits (1)

metasploit WORKING POC EXCELLENT
by Zenofex, 0x00string, bcoles · rubypoclinux
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/misc/qnap_transcode_server.rb

This Metasploit module exploits an unauthenticated remote command injection vulnerability in QNAP NAS devices via the transcoding server on port 9251. It uses the 'rmfile' command to inject payloads, bypassing filtered characters by replacing spaces with tabs.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: QNAP NAS devices with firmware version 4.3.3.0262 (20170727)
No auth needed
Prerequisites: Network access to port 9251 on the target QNAP device
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.qnap.com/zh-hk/releasenotes/

Scores

CVSS v3 9.8
EPSS 0.1668
EPSS Percentile 96.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (3)
qnap/qts 4.2.0 - 4.2.6
QNAP/QTS Media Libary PRODUCT prior to 4.2.6 build 20170905
QNAP/QTS Media Libary PRODUCT prior to 4.3.3.0299 build 20170901
Published Sep 14, 2017
Tracked Since Feb 18, 2026