Improper Access Control Vulnerability in Beetel 777VR1 Broadband Router
CVE-2026-1411

5.4MEDIUM

Key Information:

Vendor

Beetel

Status
777vr1
Vendor
CVE Published:
26 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1411?

A flaw has been identified in the Beetel 777VR1 broadband router affecting versions up to 01.00.09 and 01.00.09_55. This vulnerability resides in an unknown function within the UART interface component, which exposes the device to improper access controls. Attackers could perform exploits on the physical device, although executing such an attack requires a significant level of expertise, making it challenging. Despite notification, the vendor did not respond regarding this critical issue, which increases the risks for users of this router model.

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Affected Version(s)

777VR1 01.00.09

777VR1 01.00.09_55

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1411 - Proof of Concept

References

https://vuldb.com/?id.342800
vdb-entry
https://vuldb.com/?ctiid.342800
signaturepermissions-required
https://vuldb.com/?submit.740674
third-party-advisory

CVSS V4

Score:
5.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

raghav_2026 (VulDB User)
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