CVE-2022-29402

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.

CVSS v3.0 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.html	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr840n:5.0:*:*:*:*:*:*:*

Information

Published : 2022-05-25 11:15

Updated : 2022-06-07 09:23

NVD link : CVE-2022-29402

Mitre link : CVE-2022-29402

JSON object : View

CWE

CWE-306

Missing Authentication for Critical Function

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Products Affected

tp-link

tl-wr840n
tl-wr840n_firmware

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