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Fencer Intel
critical 9.8

CVE-2018-12666 json

SV3C L-SERIES HD CAMERA V2.3.4.2103-S50-NTD-B20170508B devices improperly identifies users only by the authentication level sent in the coo…

published 8y ago modified 4mo ago also EUVD-2018-4621

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

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.

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Exploit prediction

1.83% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bishopfox.com https://www.bishopfox.com/news/2018/10/sv3c-l-series-hd-camera-multiple-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.