CVE-2022-29402
MEDIUM
6.8
CVSS Score
Published: May 25, 2022 at 05:24 PM UTC
Updated: June 17, 2026 at 04:40 AM UTC
2 products affected across 1 vendorTl WR840N FirmwareTL-WR840N
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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.4%
Description
TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlCVSS
6.8MEDIUMmitre
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-306
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