CVE-2021-37289Public exploitNetwork attack vector

Root command execution via hidden administration page

Published Aug 22, 2022 · Updated Aug 4, 2024

Hidden functionality in PLANEX MZK-DP150N 1.43 and earlier allows remote authenticated users to execute arbitrary OS commands as root. The hidden etc_ro/web/syscmd.asp page accepts arbitrary shell-command input and executes it with root privileges. Access requires network reachability and configuration-screen credentials; the default login account is common across devices.

CVSS severity7.2
High
EPSS probability1.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hidden functionality in PLANEX MZK-DP150N 1.43 and earlier allows remote authenticated users to execute arbitrary OS commands as root. The hidden etc_ro/web/syscmd.asp page accepts arbitrary shell-command input and executes it with root privileges. Access requires network reachability and configuration-screen credentials; the default login account is common across devices.

The record

CVE
CVE-2021-37289
Published
Aug 22, 2022
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-276, CWE-912, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 22, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.8JPCERT/CC and IPACVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
CWE-912Hidden Functionality
T1059.004Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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