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CVE-2026-126722VulnerabilityPublished

Rooxis RXR-12 Wi-Fi router contains an undocumented telnet backdoor daemon (/usr/bin/telnetd_startup) that, upon

Source GCVE Database

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Authoritative record:CVE-2026-126722· High

Not known to be exploited : upgrade to 20260813_c2169ea5 soon.

Data as of 11 Nov 2026, 19:47 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 20260813_c2169ea5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade Rooxis RXR-12 to 20260813_c2169ea5.

Affected software

ProductAffectedFixed in
RooxisRooxis RXR-12Affected
  • <20260813_c2169ea5
Fixed in
  • 20260813_c2169ea5

AI-suggested

Users should update the Rooxis RXR-12 router firmware to version 20260813_c2169ea5 or later, which removes the UDP listener responsible for the backdoor. The update can be applied through the router's local web interface. Applying this firmware update fully mitigates the vulnerability.

Description

The Rooxis RXR-12 Wi-Fi router contains an undocumented telnet backdoor daemon (/usr/bin/telnetd_startup) that can be triggered by a specially crafted AES-128-CBC encrypted magic packet using a static key and IV. This backdoor enables the telnet service with default credentials, granting remote root access. The vendor released firmware version 20260813_c2169ea5 which removes the UDP listener responsible for this backdoor, and users can update via the local web interface.

References

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