CVE-2021-3166 is a high-severity vulnerability affecting ASUS DSL-N14U-B1 1.1.2.3_805 devices. An unauthenticated attacker can upload a malicious file disguised as a firmware update, specifically using the filename "Settings_DSL-N14U-B1.trx". This action triggers a system-wide shutdown of services, leading to a persistent denial of service. The vulnerability has a CVSS score of 7.5, indicating a high impact on availability with no confidentiality or integrity concerns. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.1.2.3_805CPE matchmatch criteria | cpe:2.3:o:asus:dsl-n14u_b1_firmware:1.1.2.3_805:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.