CVE-2024-39838

Command execution via hard-coded administrative credentials

Published Aug 5, 2024 · Updated Mar 25, 2025

Hard-coded credentials in ZEXELON CO., LTD. ZWX-2000CSW2-HN before 0.3.15 allow attackers on the adjacent network to execute arbitrary commands. The vendor does not disclose which management service contains the embedded credentials or how that service compares supplied secrets. Access requires an administrative login from the adjacent network and permits arbitrary command execution and device-configuration changes.

CVSS severity4.5
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hard-coded credentials in ZEXELON CO., LTD. ZWX-2000CSW2-HN before 0.3.15 allow attackers on the adjacent network to execute arbitrary commands. The vendor does not disclose which management service contains the embedded credentials or how that service compares supplied secrets. Access requires an administrative login from the adjacent network and permits arbitrary command execution and device-configuration changes.

The record

CVE
CVE-2024-39838
Published
Aug 5, 2024
Updated
Mar 25, 2025
Vendor
ZEXELON CO., LTD.
Product
ZWX-2000CSW2-HN
Classifications
CWE-798, T1078
Attack vector
adjacent
Privileges
admin

Timeline

How it unfolded

  1. Aug 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=firmware versions prior to Ver.0.3.15

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesadmin

What is affected?

ZEXELON CO., LTD. · ZWX-2000CSW2-HNversion=firmware versions prior to Ver.0.3.15

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.5JPCERT/CCCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
T1078Valid Accounts

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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