CVE-2026-1411 Beetel 777VR1 UART access control
Attackers with physical access can bypass UART access controls on Beetel 777VR1 devices to gain elevated privileges or execute code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1411?
CVE-2026-1411 is a medium-severity authentication bypass vulnerability in Beetel 777VR1, published on 26 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in Beetel 777VR1 up to 01.00.09/01.00.09_55. The affected element is an unknown function of the component UART Interface. This manipulation causes improper access controls. It is feasible to perform the attack on the physical device. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-1411?
It affects 1 product.
Products include Beetel 777vr1 Firmware.
How do I fix CVE-2026-1411?
No fix has been published for CVE-2026-1411 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-1411 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1411 exists.
Other vulnerabilities in Beetel 777VR1
- CVE-2026-2616 Beetel 777VR1 Web Management hard-coded credentials
- CVE-2026-2618 Beetel 777VR1 SSH Service risky encryption
- CVE-2026-1410 Beetel 777VR1 UART missing authentication
- CVE-2020-36056 Cross-site scripting in n/a
- CVE-2026-2617 Beetel 777VR1 Telnet Service/SSH Service insecure default initialization of resource
Sources
Also known as GHSA-5vmx-5g6g-mcfc.