What is CVE-2023-23064?

CVE-2023-23064 is a critical-severity vulnerability in Totolink A720r, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-02-17.

How severe is CVE-2023-23064?

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

Auth bypass in Totolink A720r

CVE-2023-23064

TOTOLINK A720R V4.1.5cu.532_ B20210610 is vulnerable to Incorrect Access Control.

Vulnerability class: Broken Access Control

Published 2023-02-17 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Totolink A720r
Totolink A720r Firmware — versions 4.1.5cu.532_b20210610

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

github.com/shellpei/TOTOLINK-Unauthorized/blob/main/CVE-2023-23064 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-23064?: CVE-2023-23064 is a critical-severity vulnerability in Totolink A720r, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-02-17.
How severe is CVE-2023-23064?: Critical severity. CVSS v3 base score is 9.8 out of 10.