HOMEVULNERABILITIESCVE-2022-2471
CRITICAL

CVE-2022-2471

CWE-121Published: September 15, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a remote attacker to execute remote code on the device. This issue affects: EZVIZ CS-CV248 versions prior to 5.2.3 build 220725. EZVIZ CS-C6N-A0-1C2WFR versions prior to 5.3.0 build 220428. EZVIZ CS-DB1C-A0-1E2W2FR versions prior to 5.3.0 build 220802. EZVIZ CS-C6N-B0-1G2WF versions prior to 5.3.0 build 220712. EZVIZ CS-C3W-A0-3H4WFRL versions prior to 5.3.5 build 220723.

NVD Source

Risk Analysis

This is a stack-based buffer overflow vulnerability in EZVIZ camera motion detection components. It is rated as critical because it allows a remote attacker to execute arbitrary code on the device without authentication.

There is no known public exploit for this vulnerability, and it is not currently in CISA's KEV catalog. It is remotely exploitable due to the network-based vector and low attack complexity.

Recommended Action

Users should update their EZVIZ camera firmware to the versions specified as patched in the vendor advisory.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-2471 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

ezviz10 product(s)
cs-c6n-a0-1c2wfr firmwarecs-c6n-a0-1c2wfrcs-db1c-a0-1e2w2fr firmwarecs-db1c-a0-1e2w2frcs-c6n-b0-1g2wf firmwarecs-c6n-b0-1g2wfcs-c3w-a0-3h4wfrl firmwarecs-c3w-a0-3h4wfrlcs-cv248 firmwarecs-cv248
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2022-2471
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-121
CISA KEVNo
Affected1 vendor(s)
PublishedSep 15, 2022

Related CVEs (CWE-121)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-2471 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.