{"cve":"CVE-2023-39435","nvd":{"published":"2023-11-08T23:15:08.310","modified":"2026-06-17T06:12:19.647","status":"Modified","description":"Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220,\n CB6231, B8520, B8220, and CD321 IP Cameras \n\nwith firmware version M2.1.6.05 are \nvulnerable to stack-based overflows. During the process of updating \ncertain settings sent from incoming network requests, the product does \nnot sufficiently check or validate allocated buffer size. This may lead \nto remote code execution.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787","CWE-121"],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03","https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03"],"products":["zavio:b8220_firmware","zavio:b8520_firmware","zavio:cb3211_firmware","zavio:cb3212_firmware","zavio:cb5220_firmware","zavio:cb6231_firmware","zavio:cd321_firmware","zavio:cf7201_firmware","zavio:cf7300_firmware","zavio:cf7500_firmware","zavio:cf7501_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-39435","score":0.01225,"percentile":0.68816,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}