What is CVE-2023-25437?

CVE-2023-25437 is a high-severity vulnerability in Vtech Vcs754a, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.8/10. Published 2023-04-27.

How severe is CVE-2023-25437?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Vtech Vcs754a

CVE-2023-25437

An issue was discovered in vTech VCS754 version 1.1.1.A before 1.1.1.H, allows attackers to gain escalated privileges and gain sensitive information due to cleartext passwords passed in the raw HTML.

Published 2023-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.141 (96.5th percentile), scored 2026-10-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.141 · newest: 0.141 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

i.imgur.com/aDuiY8q.png (Exploit)
yechiel.xyz/vulnerability-in-vtechs-vcs754a-business-phones-exposes-sip-credent… (Third Party Advisory)

Frequently asked questions

What is CVE-2023-25437?: CVE-2023-25437 is a high-severity vulnerability in Vtech Vcs754a, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.8/10. Published 2023-04-27.
How severe is CVE-2023-25437?: High severity. CVSS v3 base score is 8.8 out of 10.