CVE-2018-7921
Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may…
- 6.5MediumCVSS base score
- 13.2%Exploitation in 30 daysEPSS · top 3.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Huawei B315s-22 - Information Leak (Exploit-DB entry) (opens in a new tab)
EDB-ID 45971webapps, hardwarepublished 11 Dec 2018Not verified
References tagged exploit1 reference
- 45971 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By huawei
- 6 months later
· 6 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 13.2% · top 3.6% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
Huawei Technologies Co., Ltd. · B315s-22
- affected 21.318.01.00.26
References
2
- 45971 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-19633 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-7921)Record last updated .