HOMEVULNERABILITIESCVE-2021-30167
CRITICAL

CVE-2021-30167

CWE-522Published: April 28, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.

NVD Source

Technical Analysis

CVE-2021-30167 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

meritlilin82 product(s)
p2r8852e2 firmwarep2r8852e2p2r8852e4 firmwarep2r8852e4p2r6852e2 firmwarep2r6852e2p2r6852e4 firmwarep2r6852e4p2r6552e2 firmwarep2r6552e2p2r6552e4 firmwarep2r6552e4+70
Source: NVD CPE · 82 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2021-30167
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-522
CISA KEVNo
Affected1 vendor(s)
PublishedApr 28, 2021

Related CVEs (CWE-522)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-30167 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.