Critical severity9.8NVD Advisory· Published Oct 19, 2018· Updated Jun 17, 2026

CVE-2018-12666

Description

SV3C L-SERIES HD CAMERA V2.3.4.2103-S50-NTD-B20170508B devices improperly identifies users only by the authentication level sent in the cookies, which allow remote attackers to bypass authentication and gain administrator access by setting the authLevel cookie to 255.

Patches

Vulnerability mechanics

References

www.bishopfox.com/news/2018/10/sv3c-l-series-hd-camera-multiple-vulnerabilities/nvdExploitThird Party Advisory

News mentions

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epss	0.001
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kev	0.000
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ransomware	0.000