PT-2020-17799 · Tonnet · Tonnet Dvr Firmware

Keniver Wang + 2 · Published 2020-02-27 · Updated 2021-07-21 · CVE-2020-3923

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TONNET DVR firmware versions in TAT-76 and TAT-77 series (affected versions not specified)

Description The issue concerns a misconfigured authentication mechanism in the DVR firmware. This allows attackers to crack the default password and gain access to the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2020-3923

Affected Products

Tonnet Dvr Firmware

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-3923 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3923 · Vendor Advisory
• https://tvn.twcert.org.tw/taiwanvn/TVN-201910003 · Note
• https://chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf · Note