CVE-2025-26856 Command injection in UD-LT2
An authenticated administrator can execute arbitrary OS commands on I-O DATA UD-LT2 devices by manipulating specific screen requests.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-26856?
CVE-2025-26856 is a high-severity command injection vulnerability in I-O DATA DEVICE, INC. UD-LT2, published on 20 Feb 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in UD-LT2 firmware Ver.1.00.008_SE and earlier. If an attacker logs in to the affected product with an administrative account and manipulates requests for a certain screen operation, an arbitrary OS command may be executed. This vulnerability was reported on a different screen operation from CVE-2025-20617.
Weakness: CWE-78
Which versions are affected by CVE-2025-26856?
How do I fix CVE-2025-26856?
No fix has been published for CVE-2025-26856 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-2025-26856 being exploited?
There is no known exploitation of CVE-2025-26856 in the wild and no public exploit code.
Sources
Also known as GHSA-p9q9-h36m-37f9.