CVE-2025-34132: Input Validation Flaw

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.

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Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-78 OS Command Injection

References

Other 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

Frequently Asked Questions

What is CVE-2025-34132? +

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.

How do I check if I'm vulnerable to CVE-2025-34132? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-34132