CVE-2021-45428 is a critical incorrect access control vulnerability affecting the Telesquare TLR-2005KSH router and its firmware. This flaw allows an unauthenticated attacker to upload arbitrary files, including HTML and CGI, due to the enabled PUT method. With a CVSS score of 9.8, the vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not currently on CISA's KEV catalog, public exploit code is available via ExploitDB and Nuclei templates, though there is minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:telesquare:tlr-2005ksh_firmware:-:*:*:*:*:*:*:* |
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.