CVE-2021-20156 describes an improper access control vulnerability in Trendnet AC2600 TEW-827DRU version 2.08B01, allowing for the installation of malicious firmware due to a lack of signature validation. An authenticated attacker can manually install untrusted firmware or, by masquerading as the update server, push malicious updates even through the automated update mechanism. This vulnerability carries a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring low privileges, and resulting in high integrity impact (malicious firmware installation). Currently, there is 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 |
|---|---|---|---|
2.08b01CPE matchmatch criteria | cpe:2.3:o:trendnet:tew-827dru_firmware:2.08b01:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Trendnet AC2600 TEW-827DRU Multiple Vulnerabilities
Dec 30, 2021Trendnet AC2600 TEW-827DRU Multiple Vulnerabilities
Dec 30, 2021Trendnet AC2600 TEW-827DRU Multiple Vulnerabilities
Dec 30, 2021