What is CVE-2022-38823?

CVE-2022-38823 is a critical-severity vulnerability in Totolink T6, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2022-09-16.

How severe is CVE-2022-38823?

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

Vulnerability in Totolink T6

CVE-2022-38823

In TOTOLINK T6 V4.1.5cu.709_B20210518, there is a hard coded password for root in /etc/shadow.sample.

Published 2022-09-16 · 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: 0.011 (63.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001

Affected products

Totolink T6 — versions 3
Totolink T6 Firmware — versions 4.1.5cu.709_b20210518

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

github.com/whiter6666/CVE/blob/main/TOTOLINK_T6_V3/hard_code.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-38823?: CVE-2022-38823 is a critical-severity vulnerability in Totolink T6, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2022-09-16.
How severe is CVE-2022-38823?: Critical severity. CVSS v3 base score is 9.8 out of 10.