Buffer overflow in Ezviz Cs-C3w-A0-3h4wfrl
CVE-2022-2471
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.015 · change: +0.002
Affected products
- Ezviz Cs-C3w-A0-3h4wfrl — versions unspecified
- Ezviz Cs-C3w-A0-3h4wfrl Firmware — versions 5.3.5
- Ezviz Cs-C6n-A0-1c2wfr — versions unspecified
- Ezviz Cs-C6n-A0-1c2wfr Firmware — versions 5.3.0
- Ezviz Cs-C6n-B0-1g2wf — versions unspecified
- Ezviz Cs-C6n-B0-1g2wf Firmware — versions 5.3.0
- Ezviz Cs-Cv248 — versions unspecified
- Ezviz Cs-Cv248 Firmware — versions 5.2.1
- Ezviz Cs-Db1c-A0-1e2w2fr — versions unspecified
- Ezviz Cs-Db1c-A0-1e2w2fr Firmware — versions 5.3.0
Weakness classification (CWE)
References
- www.bitdefender.com/blog/labs/vulnerabilities-identified-in-ezviz-smart-cams (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2471?
- CVE-2022-2471 is a critical-severity vulnerability in Ezviz Cs-C3w-A0-3h4wfrl, classified under Stack-based Buffer Overflow. CVSS score: 9.9/10. Published 2022-09-15.
- How severe is CVE-2022-2471?
- Critical severity. CVSS v3 base score is 9.9 out of 10.