Cyber Resilience

CVE-2021-30166

HighRCE

Published: 28 April 2021

Published
28 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0658 91.4th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-30166 is a high-severity OS Command Injection (CWE-78) vulnerability in Meritlilin P2R8852E2 Firmware. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 8.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The NTP Server configuration function of the IP camera device is not verified with special parameters. Remote attackers can perform a command Injection attack and execute arbitrary commands after logging in with the privileged permission.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

meritlilin
p2r8852e2 firmware
≤ 7.1.94.8908
meritlilin
p2r8852e4 firmware
≤ 7.1.94.8908
meritlilin
p2r6852e2 firmware
≤ 7.1.94.8908
meritlilin
p2r6852e4 firmware
≤ 7.1.94.8908
meritlilin
p2r6552e2 firmware
≤ 7.1.94.8908
meritlilin
p2r6552e4 firmware
≤ 7.1.94.8908
meritlilin
p2r6352ae2 firmware
≤ 7.1.94.8908
meritlilin
p2r6352ae4 firmware
≤ 7.1.94.8908
meritlilin
p2r3052ae2 firmware
≤ 7.1.94.8908
meritlilin
p2g1052 firmware
≤ 7.1.94.8908
+31 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References