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CVE-2020-3924medium

TONNET DVR – Firmware Injection

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.4epss 1.3%
exploitation probability
1.3%top 34% of all CVEs
observed exploitation
nono source reports it
DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected products
TONNET · DVR