CVE-2023-53773 MiniDVBLinux 5.4 Unauthenticated Live Stream Disclosure via tv_action.sh

High 8.7 Published Updated

Remote attackers can access live TV screenshots without authentication via the tv_action.sh script in MiniDVBLinux.

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-2023-53773?

CVE-2023-53773 is a high-severity missing authorization vulnerability in MiniDVBLinux, published on 9 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MiniDVBLinux 5.4 contains an unauthenticated vulnerability in the tv_action.sh script that allows remote attackers to generate live stream snapshots through the Simple VDR Protocol. Attackers can request /tpl/tv_action.sh to create and retrieve a live TV screenshot stored in /var/www/images/tv.jpg without authentication.

Weakness: CWE-306

Which versions are affected by CVE-2023-53773?

It affects 1 product.

Products include Minidvblinux Minidvblinux.

How do I fix CVE-2023-53773?

No fix has been published for CVE-2023-53773 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-53773 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53773 exists.

Sources

Also known as GHSA-g24h-8xr2-34q6.

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