Rooxis RXR-12 Wi-Fi router contains an undocumented telnet backdoor daemon (/usr/bin/telnetd_startup) that, upon receipt of a precomputed AES-128-CBC magic packet using a firmware-wide static key and IV, enables telnet service with default credentials, providing remote root access. Firmware 20260813_c2169ea5 removes the UDP listener entirely, and users can update through their local web interface.

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Workaround

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History

Wed, 11 Nov 2026 16:45:00 +0000

Type Values Removed Values Added
Description Rooxis RXR-12 Wi-Fi router contains an undocumented telnet backdoor daemon (/usr/bin/telnetd_startup) that, upon receipt of a precomputed AES-128-CBC magic packet using a firmware-wide static key and IV, enables telnet service with default credentials, providing remote root access. Firmware 20260813_c2169ea5 removes the UDP listener entirely, and users can update through their local web interface.
Title CVE-2026-126722
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cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-11-11T16:41:42.039Z

Reserved: 2026-11-11T16:34:46.220Z

Link: CVE-2026-126722

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-11-11T17:17:18.793

Modified: 2026-11-11T17:17:18.793

Link: CVE-2026-126722

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

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