CVE-2020-3923 describes a critical authentication bypass vulnerability affecting TONNET TAT-76 and TAT-77 series DVR firmware, where a misconfigured authentication mechanism allows attackers to crack default passwords and gain unauthorized system access. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= tat-77104g1_20190107CPE matchmatch criteria | cpe:2.3:o:tonnet:tat-77104g1_firmware:*:*:*:*:*:*:*:* | ||
<= tat-77208g1_20181225CPE matchmatch criteria | cpe:2.3:o:tonnet:tat-70432n_firmware:*:*:*:*:*:*:*:* | ||
<= tat-71416g1_20181225CPE matchmatch criteria | cpe:2.3:o:tonnet:tat-71416g1_firmware:*:*:*:*:*:*:*:* | ||
<= tat-71832g1_20190510CPE matchmatch criteria | cpe:2.3:o:tonnet:tat-71832g1_firmware:*:*:*:*:*:*:*:* | ||
<= 20181220_76104g3CPE matchmatch criteria | cpe:2.3:o:tonnet:tat-76104g3_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.