What is CVE-2023-24155?

CVE-2023-24155 is a critical-severity vulnerability in Totolink T8, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-02-03.

How severe is CVE-2023-24155?

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

Vulnerability in Totolink T8

CVE-2023-24155

TOTOLINK T8 V4.1.5cu was discovered to contain a hard code password for the telnet service which is stored in the component /web_cste/cgi-bin/product.ini.

Published 2023-02-03 · 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: 0.009 (57.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Totolink T8
Totolink T8 Firmware — versions v4.1.5cu

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

github.com/Double-q1015/CVE-vulns/blob/main/totolink_t8/telnet_login/telnet_log… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-24155?: CVE-2023-24155 is a critical-severity vulnerability in Totolink T8, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-02-03.
How severe is CVE-2023-24155?: Critical severity. CVSS v3 base score is 9.8 out of 10.