CVE-2021-46009: Totolink a3100r Firmware

Critical severity, CVSS 9.8. EPSS: 12.5% chance of exploitation in the next 30 days.

In Totolink A3100R V5.9c.4577, multiple pages can be read by curl or Burp Suite without authentication. Additionally, admin configurations can be set without cookies.

Affected products

• Totolink a3100r Firmware: version 5.9c.4577 only

Published 2022-03-30. Last modified 2026-07-09.