CVE-2020-24987

Tenda AC18 Router through V15.03.05.05_EN and through V15.03.05.19(6318) CN devices could cause a remote code execution due to incorrect authentication handling of vulnerable logincheck() function in /usr/lib/lua/ngx_authserver/ngx_wdas.lua file if the administrator UI Interface is set to "radius".

CVSS v3 9.8 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://cwe.mitre.org/data/definitions/287.html	Third Party Advisory
https://drive.google.com/file/d/1iqpr0EofOBC6kCq2USTOBPRlJu_naFjQ/view?usp=sharing	Broken Link
https://www.tendacn.com/en/product/AC18.html	Product Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tendacn:ac18_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tendacn:ac18:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tendacn:ac18_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tendacn:ac18:-:*:*:*:*:*:*:*

History

07 Nov 2022, 13:39

Type	Values Removed	Values Added
References	~~(MISC) https://cwe.mitre.org/data/definitions/287.html -~~	(MISC) https://cwe.mitre.org/data/definitions/287.html - Third Party Advisory

10 Jul 2022, 21:15

Type	Values Removed	Values Added
References		(MISC) https://cwe.mitre.org/data/definitions/287.html -

Information

Published : 2020-09-04 20:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-24987

Mitre link : CVE-2020-24987

CVE.ORG link : CVE-2020-24987

JSON object : View

Products Affected

tendacn

ac18_firmware
ac18

CWE

CWE-287

Improper Authentication

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