CVE-2024-39838: ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-a

Q: How do I fix CVE-2024-39838?

zwx-2000csw2-hn firmware: upgrade to 0.3.15. Exact commands for each OS are on this page.

Q: Is CVE-2024-39838 being exploited?

CVE-2024-39838 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-39838 affect?

CVE-2024-39838 affects zwx-2000csw2-hn firmware. Severity is high (CVSS 8.8). ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.

Routine

HIGH 8.8UPGRADE

CVE-2024-39838 is a high-severity flaw (CVSS 8.8) affecting zwx-2000csw2-hn firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-798
Published	2024-08-05
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: zexelon

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-05 05:15 UTCPublished CVE record published
2026-06-17 07:42 UTCUpdated Record last modified

zexelon zwx-2000csw2-hn firmware UPGRADE

Affected: < 0.3.15

Fixed in: 0.3.15

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-39838?

zwx-2000csw2-hn firmware: upgrade to 0.3.15. Exact commands for each OS are on this page.

Is CVE-2024-39838 being exploited?

CVE-2024-39838 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-39838 affect?

CVE-2024-39838 affects zwx-2000csw2-hn firmware. Severity is high (CVSS 8.8). ZWX-2000CSW2-HN firmware versions prior to Ver.0.3.15 uses hard-coded credentials, which may allow a network-adjacent attacker with an administrative privilege to alter the configuration of the device.

How urgent is CVE-2024-39838?

Priority 37/100. High severity

Related CVEs

CVE-2024-41720 HIGH 8.0 UPGRADE Incorrect permission assignment for critical resource issue exists in ZWX-2000CSW2-HN firmware versions prior

References

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