CVE-2022-29402 describes an insecure protection vulnerability in the TP-Link TL-WR840N EU v6.20 router, allowing unauthorized root-level command execution. An attacker can gain full control of the device by physically connecting to the UART port via a serial connection. This vulnerability has a CVSS score of 6.8 (Medium) due to its physical attack vector, but it carries a high impact on confidentiality, integrity, and availability once exploited. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/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, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.