CVE-2026-36741 Command injection in n/a
Authenticated attackers can inject arbitrary system commands via NTP settings on U-SPEED AC1200 routers, leading to full system compromise.
- 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-2026-36741?
CVE-2026-36741 is a high-severity command injection vulnerability in n/a, published on 13 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Command Injection. The Network Time Protocol (NTP) configuration interface does not properly sanitize user-supplied input. An authenticated user with permission to configure NTP settings can inject arbitrary system commands through crafted input fields. These commands are executed with elevated privileges, leading to potential full system compromise.
Weakness: CWE-77
Which versions are affected by CVE-2026-36741?
It affects 1 product.
Products include U-Speed T18-21k Firmware.
How do I fix CVE-2026-36741?
No fix has been published for CVE-2026-36741 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-2026-36741 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36741 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-pvcc-fj7g-vm23.