There is an information leak vulnerability in some Huawei HG products.

published 2019-01-02 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19612

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

There is an information leak vulnerability in some Huawei HG products. An attacker may obtain information about the HG device by exploiting this vulnerability.

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

Huawei Technologies Co., Ltd. some HG products

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

huawei.com /en/psirt/security-notices/huawei-sn-20181219-01-hg-en
vendor-advisory
blog.newskysecurity.com /information-disclosure-vulnerability-cve-2018-7900-makes-it-easy-for-attackers-to-find-huawei-3e7039b6f44f
third-party-advisory

Sources

CVE List CVE-2018-7900
NVD CVE-2018-7900

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Summary