CVE-2019-13336 json
The dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1 allows remote attackers to launch commands with no authentication verification via TCP po…
published 2019-10-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4841
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
The dbell Wi-Fi Smart Video Doorbell DB01-S Gen 1 allows remote attackers to launch commands with no authentication verification via TCP port 81, because the loginuse and loginpass parameters to openlock.cgi can have arbitrary values. NOTE: the vendor's position is that this product reached end of life in 2016.
Exploit prediction
2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- noahclements.com http://noahclements.com/Improper-Input-Validation-on-dbell-Smart-Doorbell-Can-Lead-To-Attackers-Remotely-Unlocking-Door/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/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
-
- CWE-287 Improper Authentication
References
-
noahclements.com
/Improper-Input-Validation-on-dbell-Smart-Doorbell-Can-Lead-To-Attackers-Remotely-Unlocking-Door/
exploit, third-party-advisory
-
reddit.com
/r/AskNetsec/comments/c9p22m/company_threatening_to_sue_me_if_i_publicly/
issue-tracking, third-party-advisory
-
youtube.com
/watch?v=SkTKt1nV57I
third-party-advisory
Sources
- CVE List CVE-2019-13336
- NVD CVE-2019-13336
Fencer Vulns 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.