Auth bypass in Vivo Wifi

CVE-2021-26278

The wifi module exposes the interface and has improper permission control, leaking sensitive information about the device.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-26278: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000

Affected products

  • Vivo Wifi — versions Versions earlier than Android 10

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-26278?
CVE-2021-26278 is a medium-severity vulnerability in Vivo Wifi, classified under Missing Authentication for Critical Function. CVSS score: 6.3/10. Published 2024-12-17.
How severe is CVE-2021-26278?
Medium severity. CVSS v3 base score is 6.3 out of 10.