CVE-2026-126759

MEDIUM 5.3

H3C ICG2000 Unified Communication Gateway Web Management check.j missing authentication

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in H3C ICG2000 Unified Communication Gateway 2023. This issue affects some unknown processing of the file /wnm/check.j of the component Web Management Module. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used. The researcher claims that the vendor has acknowledged receipt of the vulnerability report. No further response has been received.

CWE	CWE-306 CWE-287
Vendor	h3c
Product	icg2000 unified communication gateway
Published	Nov 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

H3C / ICG2000 Unified Communication Gateway

2023

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/435869 vuldb.com: https://vuldb.com/vuln/435869/cti vuldb.com: https://vuldb.com/cve/CVE-2026-126759 vuldb.com: https://vuldb.com/submit/1035822

Credits

🔍 bruce_xiaowei (VulDB User) VulDB CNA Team