CVE-2025-13926 Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision
Attackers can sniff network traffic to forge packets and make arbitrary requests to the BASC 20T controller, bypassing security controls.
- 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-2025-13926?
CVE-2025-13926 is a critical vulnerability in Contemporary Controls BASControl20, published on 9 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An attacker could use data obtained by sniffing the network traffic to forge packets in order to make arbitrary requests to Contemporary Controls BASC 20T.
Weakness: CWE-807
Which versions are affected by CVE-2025-13926?
How do I fix CVE-2025-13926?
No fix has been published for CVE-2025-13926 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-13926 being exploited?
There is no known exploitation of CVE-2025-13926 in the wild and no public exploit code.
Sources
Also known as GHSA-5wpm-jgqp-3v9m.