# CVE-2026-126720: CVE-2026-126720

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

Rooxis RXR-12 Wi-Fi router contains an unauthenticated remote code execution vulnerability in /usr/bin/cloud_manage, where a server-controlled JSON diagnoseParameter field is passed unsanitized to popen(), enabling arbitrary command execution as root over cleartext HTTP when an attacker is positioned on-path and has access to the hard-coded cloud endpoint. Firmware 20260813_c2169ea5 fixes the vulnerability, and your router can be updated through the local web interface.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Rooxis / Rooxis RXR-12: 0 (affected). Source: CNA: certcc

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-78, CWE-79

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://rooxis.com/firmware/SOP-ramips-mt7621-DGR7-ROOXIS-local-debug.bin (CNA: certcc)

- https://lab.geodesy.phd/writeups/rooxis-router/ (CNA: certcc)

- https://lab.geodesy.phd/writeups/rooxis-router/ (cret@cert.org)

- https://rooxis.com/firmware/SOP-ramips-mt7621-DGR7-ROOXIS-local-debug.bin (cret@cert.org)

## Provenance

- CNA: certcc: https://www.cve.org/CVERecord?id=CVE-2026-126720; retrieved 2026-11-11; source updated 2026-11-11

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-126720; retrieved 2026-11-11; source updated 2026-11-11

Revision: c06acf75ebd26538cae907a3518aee1a61c0d6153abe87f3ce5b4f452098a122

Canonical: https://y2.dev/cve/CVE-2026-126720

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