Telnet Service Exploit in TOTOLINK Router Firmware
CVE-2021-35327

9.8CRITICAL

Key Information:

Vendor

Totolink
Status
A720r Firmware
Vendor
CVE Published:
5 August 2021

What is CVE-2021-35327?

A vulnerability exists in the TOTOLINK A720R router firmware that allows attackers to enable the Telnet service and access it using default credentials. This is achieved through a specially crafted POST request, posing a significant security risk to network integrity and data confidentiality.

References

https://github.com/hurricane618/my_cves/blob/master/route...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-35327 : Telnet Service Exploit in TOTOLINK Router Firmware