CVE-2020-29376 describes a critical vulnerability in various V-SOL V1600D series OLT devices, including specific firmware versions, where a hardcoded password ("!j@l#y$z%x6x7q8c9z)") exists for the admin account to authenticate via TELNET. This vulnerability carries a CVSS score of 9.8 (Critical), indicating it is easily exploitable over the network with low complexity, requiring no user interaction, and allowing for complete compromise of confidentiality, integrity, and availability. While the EPSS score is low and there is no evidence of active exploitation, public exploit code, or significant community discussion, the presence of a hardcoded credential poses a severe risk to affected systems.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.03.57CPE matchmatch criteria | cpe:2.3:o:vsolcn:v1600d_firmware:2.03.57:*:*:*:*:*:*:* | ||
2.03.69CPE matchmatch criteria | cpe:2.3:o:vsolcn:v1600d_firmware:2.03.69:*:*:*:*:*:*:* | ||
1.01.49CPE matchmatch criteria | cpe:2.3:o:vsolcn:v1600d4l_firmware:1.01.49:*:*:*:*:*:*:* | ||
1.01.48CPE matchmatch criteria | cpe:2.3:o:vsolcn:v1600d-mini_firmware:1.01.48:*:*:*:*:*:*:* | ||
1.9.7CPE matchmatch criteria | cpe:2.3:o:vsolcn:v1600g1_firmware:1.9.7:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.