What is CVE-2021-30168?

CVE-2021-30168 is a critical-severity vulnerability in Meritlilin P2g1022, classified under Information Disclosure. CVSS score: 9.8/10. Published 2021-04-28.

How severe is CVE-2021-30168?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in Meritlilin P2g1022

CVE-2021-30168

The sensitive information of webcam device is not properly protected. Remote attackers can unauthentically grant administrator’s credential and further control the devices.

Vulnerability class: Information Disclosure

Published 2021-04-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Weakness classification (CWE)

References

www.meritlilin.com/assets/uploads/support/file/M00166-TW.pdf (Vendor Advisory)
gist.github.com/keniver/86ebef688fb274b534da51ef1a84dd3e (Third Party Advisory)
www.chtsecurity.com/news/0b733a38-e616-4ff3-86a6-13e710643388 (Third Party Advisory)
www.twcert.org.tw/tw/cp-132-4678-aad70-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2021-30168?: CVE-2021-30168 is a critical-severity vulnerability in Meritlilin P2g1022, classified under Information Disclosure. CVSS score: 9.8/10. Published 2021-04-28.
How severe is CVE-2021-30168?: Critical severity. CVSS v3 base score is 9.8 out of 10.