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TI-2026-01109 Aliases CVE-2026-1411GHSA-5vmx-5g6g-mcfc

Beetel 777VR1 UART access control

Priority MEDIUM 60CWE-266Published · Updated

Key facts

Attack vector
Physical
Privileges required
High
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00221 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Beetel777VR101.00.09; 01.00.09_55—No fix listedCNA
  • 777VR1 VendorBeetel Affected 01.00.09; 01.00.09_55 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:beetel:777vr1_firmware:*:*:*:*:*:*:*:*up to 01.00.09_55VulnerableBeetel
cpe:2.3:h:beetel:777vr1:-:*:*:*:*:*:*:*not specified by NVDRunning onBeetel
  • cpe:2.3:o:beetel:777vr1_firmware:*:*:*:*:*:*:*:* Versions up to 01.00.09_55 Vulnerable ·Beetel
  • cpe:2.3:h:beetel:777vr1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Beetel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1411
  2. 2026-10-03 Alias added: GHSA-5vmx-5g6g-mcfc

References

Exploit 1

  • TI-2026-02232 Beetel 777VR1 Web Management hard-coded credentials CVSS 4.0HIGH 8.7
  • TI-2026-02234 Beetel 777VR1 SSH Service risky encryption CVSS 4.0MEDIUM 6.3
  • TI-2026-01108 Beetel 777VR1 UART missing authentication CVSS 4.0MEDIUM 5.4
  • TI-2026-02233 Beetel 777VR1 Telnet Service/SSH Service insecure default initialization of resource CVSS 4.0MEDIUM 5.3
  • TI-2026-01107 Beetel 777VR1 UART excessive authentication CVSS 4.0LOW 1.0
  • TI-2026-01106 Beetel 777VR1 UART weak password CVSS 4.0LOW 1.0
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences