CVE-2025-34132

LILIN DVR Command Injection via NTPUpdate in dvr_box

State: Published
Severity: 9.3 Critical
Published: Jul 16, 2025
Updated: May 15, 2026
Reserved: Apr 15, 2025

Description

A command injection vulnerability exists in LILIN Digital Video Recorder (DVR) devices prior to firmware version 2.0b60_20200207 via the Server field in the NTPUpdate configuration. The web service at /z/zbin/dvr_box fails to properly sanitize input, allowing remote attackers to inject and execute arbitrary commands as root by supplying specially crafted XML data to the DVRPOST interface.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
DVR FirmwareMerit LILIN	before 2.0b60_20200207Affected

References

https://blog.netlab.360.com/multiple-botnets-are-spreading-using-lilin-dvr-0-day/third-party-advisorytechnical-description
https://www.meritlilin.com/assets/uploads/support/file/M00158-TW.pdfvendor-advisorypatch
https://www.vulncheck.com/advisories/lilin-dvr-multiple-vulnerabilitiesthird-party-advisory
https://ducklingstudio.blog.fc2.com/blog-entry-400.html

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