CVE-2018-7921

6.5 MEDIUM 13% exploit odds Fix listed Disclosure Device

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure.
Exploit odds: 13.2% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-09-12 15:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:03 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 13.2% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-09-12 15:29 UTC
Last modified: 2026-06-17 02:03 UTC
Exploit probability: 13.2% · EPSS, next 30 days
Weakness: CWE-200 · Information exposure
Record status: Modified

Affected

Huawei b315s-22 Firmware 21.318.01.00.26

Attack profile CVSS 3.0 · 6.5

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-7921.md and follow it. Check whether this project is affected by CVE-2018-7921. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record