CVE-2019-13336

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-10-08 · updated 2026-06-17
Weakness: CWE-287

Description

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.

Affected products

Dbell Db01-S Firmware: all versions

References

http://noahclements.com/Improper-Input-Validation-on-dbell-Smart-Doorbell-Can-Lead-To-Attackers-Remotely-Unlocking-Door/
https://www.reddit.com/r/AskNetsec/comments/c9p22m/company_threatening_to_sue_me_if_i_publicly/
https://www.youtube.com/watch?v=SkTKt1nV57I
http://noahclements.com/Improper-Input-Validation-on-dbell-Smart-Doorbell-Can-Lead-To-Attackers-Remotely-Unlocking-Door/
https://www.reddit.com/r/AskNetsec/comments/c9p22m/company_threatening_to_sue_me_if_i_publicly/
https://www.youtube.com/watch?v=SkTKt1nV57I

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