CVERadar
CRITICAL · CVSS 3.1 9.8Exploit-DBEPSS 13.77% (p97)Threat level 60

CVE-2021-33216: CVE-2021-33216: An issue was discovered in CommScope Ruckus IoT Controller 1.7.1.0 and earlier. An Undocum…

commscope · ruckus iot controller · NVD published 2021-07-07 · posted 2025-04-16 · last modified 2026-06-17

What it is

An issue was discovered in CommScope Ruckus IoT Controller 1.7.1.0 and earlier. An Undocumented Backdoor exists, allowing shell access via a developer account.

WeaknessNot specified
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (source: [email protected])
ATT&CK tacticsn/a

Exploitation evidence

First exploit evidence seen: 2025-04-16 (earliest date across the sources below).

Exploited in the wild

No source on this site lists in-the-wild exploitation yet (CISA KEV, VulnCheck KEV).

Public exploit code

Exploit-DB

  • EDB-52242: Ruckus IoT Controller 1.7.1.0 - Undocumented Backdoor Account (2025-04-16)

Sources: Exploit-DB (OffSec).

No ATT&CK techniques could be mapped or inferred for this CVE yet.

How to fix it

Fixed versions

  • commscope ruckus iot controller: versions up to and including 1.7.1.0 are affected; check the vendor advisory for the fixed release.

Derived from the NVD CPE configuration (versionEndExcluding / versionEndIncluding). Always confirm with the vendor advisory.

Vendor advisories and patches

No vendor-tagged reference yet; see the full reference list.

Detection Generic guidance

    Response checklist Generic guidance

    1. Inventory: find every instance of the affected product and version (include internet-facing and forgotten ones).
    2. Patch or mitigate per the vendor advisory; if you cannot patch, remove internet exposure or apply the vendor workaround.
    3. Assume compromise if the system was exposed before patching: hunt for the indicators in the advisory and review logs back to the disclosure date.
    4. Rotate credentials and secrets stored on or used by the affected system if compromise cannot be ruled out.

    Sources