What is CVE-2018-12526?

CVE-2018-12526 is a critical-severity vulnerability in Telesquare Sdt-Cs3b1, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-06-21.

How severe is CVE-2018-12526?

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

Vulnerability in Telesquare Sdt-Cs3b1

CVE-2018-12526

Telesquare SDT-CS3B1 and SDT-CW3B1 devices through 1.2.0 have a default factory account. Remote attackers can obtain access to the device via TELNET using a hardcoded account.

Published 2018-06-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.boho.or.kr/data/secNoticeView.do (Third Party Advisory)
www.fortiguard.com/zeroday/FG-VD-18-106 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-12526?: CVE-2018-12526 is a critical-severity vulnerability in Telesquare Sdt-Cs3b1, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2018-06-21.
How severe is CVE-2018-12526?: Critical severity. CVSS v3 base score is 9.8 out of 10.