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Vulnerability record · CVE-2018-7921 · published 12 September 2018

CVE-2018-7921: Huawei b315s-22 firmware information exposure vulnerability

Huawei · B315s 22 Firmware

Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information.

6.5 CVSS 3.0 Medium EPSS 13% · top 3.8% CWE-200 · Information exposure
6.5CVSS 3.0 base score, v2 3.3
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information.

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.exploit-db.com/exploits/45971/
https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en Vendor Advisory
https://www.exploit-db.com/exploits/45971/
https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-7921), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.