What is CVE-2022-25008?

CVE-2022-25008 is a high-severity vulnerability in Totolink Ex1200t, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2022-03-30.

How severe is CVE-2022-25008?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Totolink Ex1200t

CVE-2022-25008

totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism.

Vulnerability class: Broken Authentication

Published 2022-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.044 (90.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000

Affected products

Totolink Ex1200t
Totolink Ex1200t Firmware — versions 4.1.2cu.5230_b20210706
Totolink Ex300 V2
Totolink Ex300 V2 Firmware — versions 4.0.3c.140_b20210429

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

github.com/chibataiki/iot-vuls/blob/main/totolink/missing-authentication.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-25008?: CVE-2022-25008 is a high-severity vulnerability in Totolink Ex1200t, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2022-03-30.
How severe is CVE-2022-25008?: High severity. CVSS v3 base score is 8.8 out of 10.