Public vulnerability disclosure

CVE-2026-126759

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

publishedCWE-306CWE-287

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.

Technical severity6.9 mediumCVSS 4.0 · CNA: VulDB
Published2026-11-11Source updated 2026-11-11
Collected2026-11-121 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
ICG2000 Unified Communication Gateway
H3C
2023 (affected) CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 6.9
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:PCNA: VulDB
3.1 / 5.3
medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:RCNA: VulDB
3.0 / 5.3
medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:RCNA: VulDB
2.0 / 5.0
medium
AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:URCNA: VulDB

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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