CVE-2021-35327

A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

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

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*

History

12 Aug 2021, 18:33

Type	Values Removed	Values Added
References	~~(MISC) https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.md -~~	(MISC) https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.md - Exploit, Third Party Advisory
CPE		cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:::::::* cpe:2.3:h:totolink:a720r:-:::::::*
CWE		CWE-862
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

05 Aug 2021, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-05 21:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-35327

Mitre link : CVE-2021-35327

CVE.ORG link : CVE-2021-35327

JSON object : View

Products Affected

totolink

a720r
a720r_firmware

CWE

CWE-862

Missing Authorization

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