title: TONNET DVR – Broken Access Control
description: DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET, contain misconfigured authentication mechanism. Attackers can crack the default password and gain access to the system.
problem types: Broken Access Control
affected:
{
platforms: TAT-76 series
product: DVR
vendor: TONNET
versions:
lessThanOrEqual: 20191216, status: affected, version: 0, versionType: custom
}
{
platforms: TAT-77 series
product: DVR
vendor: TONNET
versions:
lessThanOrEqual: 20200213, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: Update to ver. 20191216 in TAT-76 series
Update to ver. 20200213 in TAT-77 series