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CVE-2025-53842

MEDIUM
6.8
CVSS Score
Published: July 16, 2025 at 04:30 AM UTC
Updated: June 17, 2026 at 09:39 AM UTC
2 products affected across 1 vendorZwx 2000CSW2 Hn FirmwareZWX-2000CS2-HN

Using ZWX-2000CSW2-HN by ZEXELON CO., LTD.?

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ZWX-2000CS2-HN· Zexelon
60%
All versions
Zwx 2000CSW2 Hn Firmware· Zexelon
60%
v < 0.3.19
Affected range stops below 0.3.19, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: [email protected]
https://jvn.jp/en/jp/JVN44419726/
Source: [email protected]
https://www.cve.org/CVERecord?id=CVE-2024-39838
Source: [email protected]
https://zexelon.co.jp/pdf/jvn44419726.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMjpcert
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-798

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