What is CVE-2021-46009?

CVE-2021-46009 is a critical-severity vulnerability in Totolink A3100r, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2022-03-30.

How severe is CVE-2021-46009?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Totolink A3100r

CVE-2021-46009

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.

Vulnerability class: Broken Authentication

EPSS: 0.152 (96.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink A3100r
Totolink A3100r_firmware — versions 5.9c.4577
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Broken Link)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-46009?: CVE-2021-46009 is a critical-severity vulnerability in Totolink A3100r, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2022-03-30.
How severe is CVE-2021-46009?: Critical severity. CVSS v3 base score is 9.8 out of 10.