CVE-2021-35327

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-05 · updated 2026-06-17
Weakness: CWE-862

Description

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.

Affected products

TOTOLINK A720R: 4.1.5cu.470_b20200911

References

https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.md
https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.md

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