Is CVE-2021-30168 actively exploited?

Yes. KEV Intelligence tracks CVE-2021-30168 as a known exploited vulnerability. Confidence is high.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2021-30168. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2021-30168 affects MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware. Reported affected version: unspecified to <= 7.1.94.8908.

No. CVE-2021-30168 is not currently listed in CISA KEV.

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2021-30168

Q: What is CVE-2021-30168?

CVE-2021-30168 is an unauthenticated vulnerability affecting MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware. The sensitive information of webcam device is not properly protected. Remote attackers can unauthentically grant administrator’s credential and further control the devices.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

No. CVE-2021-30168 is not currently listed in CISA KEV.

P2/Z2/P3/Z3 IP camera firmware

MERIT LILIN ENT.CO. / P2/Z2/P3/Z3 IP camera firmware · unspecified to <= 7.1.94.8908

View live feed Monitor via API Watch CVE

Severity: CVSS 9.8 · Critical
Confidence: High
Exploit status: Exploited in the wild
EPSS: 2.1%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2021-30168 is an unauthenticated vulnerability affecting MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware. The sensitive information of webcam device is not properly protected. Remote attackers can...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

MERIT LILIN ENT.CO.,LTD. / P2/Z2/P3/Z3 IP camera firmware unspecified to <= 7.1.94.8908.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

The sensitive information of webcam device is not properly protected

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

Vendor Product Affected Status

MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware Through 7.1.94.8908 Affected

Published: 28 Apr 2021
Exploitation Reported: 06 Jun 2025
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2021-30168
meritlilin.com/assets/uploads/support/file/M00166-TW.pdf meritlilin.com · CVE Record https://www.meritlilin.com/assets/uploads/support/file/M00166-TW.pdf
gist.github.com/keniver/86ebef688fb274b534da51ef1a84dd3e gist.github.com · CVE Record https://gist.github.com/keniver/86ebef688fb274b534da51ef1a84dd3e
chtsecurity.com/news/0b733a38-e616-4ff3-86a6-13e710643388 chtsecurity.com · CVE Record https://www.chtsecurity.com/news/0b733a38-e616-4ff3-86a6-13e710643388
twcert.org.tw/tw/cp-132-4678-aad70-1.html twcert.org.tw · CVE Record https://www.twcert.org.tw/tw/cp-132-4678-aad70-1.html

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 06 Jun 2025

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
The Shadowserver First	2025-06-06 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

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

EPSS

2.1%

Weaknesses

Exposure of Sensitive Information to an Unauthorized Actor CWE-200

Timeline

From disclosure to observed exploitation

06 Jun 2025
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
28 Apr 2021
CVE published

Vulnerability disclosed publicly
06 Apr 2021
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2021-30168

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2021-30168",
  "confidence": "High",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.02075,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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