What is CVE-2022-29644?

CVE-2022-29644 is a critical-severity vulnerability in Totolink A3100r, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2022-05-18.

How severe is CVE-2022-29644?

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

Vulnerability in Totolink A3100r

CVE-2022-29644

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a hard coded password for the telnet service stored in the component /web_cste/cgi-bin/product.ini.

Published 2022-05-18 · 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: 0.016 (74.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Totolink A3100r
Totolink A3100r Firmware — versions 4.1.2cu.5050_b20200504, 4.1.2cu.5247_b20211129

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

github.com/shijin0925/IOT/blob/master/TOTOLINK A3100R/7.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-29644?: CVE-2022-29644 is a critical-severity vulnerability in Totolink A3100r, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2022-05-18.
How severe is CVE-2022-29644?: Critical severity. CVSS v3 base score is 9.8 out of 10.