What’s Vulnerable › Vulnerabilities

CVE-2025-34132: LILIN DVR Command Injection via NTPUpdate in dvr_box

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-16 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Merit LILIN DVR Firmware: before 2.0b60_20200207 — fixed in 2.0b60_20200207

How to fix

Upgrade to a fixed version: Merit LILIN DVR Firmware 2.0b60_20200207. Check the vendor advisory for mitigations.

References

• https://blog.netlab.360.com/multiple-botnets-are-spreading-using-lilin-dvr-0-day/
• https://ducklingstudio.blog.fc2.com/blog-entry-400.html
• https://www.meritlilin.com/assets/uploads/support/file/M00158-TW.pdf
• https://www.vulncheck.com/advisories/lilin-dvr-multiple-vulnerabilities

Get alerted when CVE-2025-34132 or the next vulnerability affects your stack