What is CVE-2022-34993?

CVE-2022-34993 is a critical-severity vulnerability in Totolink A3600r, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2022-08-04.

How severe is CVE-2022-34993?

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

Vulnerability in Totolink A3600r

CVE-2022-34993

Totolink A3600R_Firmware V4.1.2cu.5182_B20201102 contains a hard code password for root in /etc/shadow.sample.

Published 2022-08-04 · 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: 0.010 (62.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% 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: 0.010 · change: +0.000

Affected products

Totolink A3600r
Totolink A3600r Firmware — versions 4.1.2cu.5182_b20201102

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.totolink.cn/home/menu/detail.html (Product, Vendor Advisory)
github.com/cilan2/iot/blob/main/1.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-34993?: CVE-2022-34993 is a critical-severity vulnerability in Totolink A3600r, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2022-08-04.
How severe is CVE-2022-34993?: Critical severity. CVSS v3 base score is 9.8 out of 10.