CVE-2025-34132 LILIN DVR Command Injection via NTPUpdate in dvr_box
Remote attackers can execute arbitrary commands as root on LILIN DVR devices by injecting malicious input into the NTP configuration field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34132?
CVE-2025-34132 is a critical command injection vulnerability in Merit LILIN DVR Firmware, published on 16 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-34132?
How do I fix CVE-2025-34132?
No fix has been published for CVE-2025-34132 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-34132 being exploited?
There is no known exploitation of CVE-2025-34132 in the wild and no public exploit code.
Sources
Also known as GHSA-g9j5-xpjv-f35r.