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Vulnerabilities

Vulnerability · CVE-2025-53842

Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions.

Published Jul 16, 2025 · catalog updated Jul 18, 2025 · ZEXELON CO., LTD. ZWX-2000CS2-HN

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-53842. EPSS is 0.23%. Act only if a listed version of ZEXELON CO., LTD. ZWX-2000CS2-HN is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Vendor / distro source
Affected products
vendor ZEXELON CO., LTD. ZWX-2000CS2-HN all versions

Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions. If this vulnerability is exploited, an attacker may tamper with the settings of the device by obtaining the credentials. This vulnerability is caused by an insufficient fix for CVE-2024-39838.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor ZEXELON CO., LTD. ZWX-2000CS2-HN all versionsall versions

How to fix CVE-2025-53842

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-53842. EPSS is 0.23%. Act only if a listed version of ZEXELON CO., LTD. ZWX-2000CS2-HN is installed.

Which versions are affected?

Compare what you have installed with ZEXELON CO., LTD. ZWX-2000CS2-HN all versions all versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 16, 2025 · EUVD

    Detected

    Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions. If this vulnerability is exploited, an attacker may tamper with the settings of the device by obtaining the credentials. This vulnerability is caused by an insufficient fix for CVE-2024-39838.

  2. Jul 18, 2025 · EUVD

    Updated

    Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions. If this vulnerability is exploited, an attacker may tamper with the settings of the device by obtaining the credentials. This vulnerability is caused by an insufficient fix for CVE-2024-39838.

Sources

  • CVE.orgVulnerability recordCVE-2025-53842

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-53842

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2025-21576

    Use of hard-coded credentials issue exists in ZWX-2000CSW2-HN prior to 0.3.19 and ZWX-2000CS2-HN firmware all versions. If this vulnerability is exploited, an attacker may tamper with the settings of the device by obtaining the credentials. This vulnerability is caused by an insu

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 21, 2026