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CVE-2021-30168

29
FAUCET Score

CVE-2021-30168 is a critical vulnerability affecting meritlilin webcam devices, where sensitive information is inadequately protected. This allows remote, unauthenticated attackers to gain administrator credentials and subsequently control the devices, posing a severe risk to confidentiality, integrity, and availability. With a CVSS score of 9.8 (CRITICAL), it is easily exploitable over the network with low complexity and no user interaction. While no active exploitation, public exploit code, or significant community discussion has been observed, the high FAUCET Risk Score of 81/100 indicates its potential severity.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.1.94.8908CPE matchmatch criteria
cpe:2.3:o:meritlilin:p2r8852e2_firmware:*:*:*:*:*:*:*:*
< 7.1.94.8908CPE matchmatch criteria
cpe:2.3:o:meritlilin:p2r8852e4_firmware:*:*:*:*:*:*:*:*
< 7.1.94.8908CPE matchmatch criteria
cpe:2.3:o:meritlilin:p2r6852e2_firmware:*:*:*:*:*:*:*:*
< 7.1.94.8908CPE matchmatch criteria
cpe:2.3:o:meritlilin:p2r6852e4_firmware:*:*:*:*:*:*:*:*
< 7.1.94.8908CPE matchmatch criteria
cpe:2.3:o:meritlilin:p2r6552e2_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.08%
Probability of exploitation in next 30 days
EPSS Percentile
79.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0208 is in the 68th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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