- 9.9CriticalCVSS base score
- 1.6%Exploitation in 30 daysEPSS · top 23% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Bitdefender
- 58 days later
· 58 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| BitdefenderCNA (assigner) | 3.1 | Critical9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.6% · top 23% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.9.
Affected products
- affected unspecified – < 5.2.3 build 220725
- affected unspecified – < 5.3.0 build 220428
- affected unspecified – < 5.3.0 build 220802
- affected unspecified – < 5.3.0 build 220712
- affected unspecified – < 5.3.5 build 220723
What to do
Solution: Firmware versions for each product model that fixes the vulnerability are available below: EZVIZ CS-CV248 version 5.2.3 build 220725 and newer. EZVIZ CS-C6N-A0-1C2WFR version 5.3.0 build 220428 and newer. EZVIZ CS-DB1C-A0-1E2W2FR version 5.3.0 build 220802 and newer. EZVIZ CS-C6N-B0-1G2WF version 5.3.0 build 220712 and newer. EZVIZ CS-C3W-A0-3H4WFRL version 5.3.5 build 220723 and newer.
References
References1
- https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-ezviz-smart-cams (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-34730 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-2471)Record last updated .