What is CVE-2024-30939?

CVE-2024-30939 is a medium-severity vulnerability in Yealink Vp59 Firmware, classified under Improper Authentication. CVSS score: 6.8/10. Published 2024-04-25.

How severe is CVE-2024-30939?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Auth bypass in Yealink Vp59 Firmware

CVE-2024-30939

An issue discovered in Yealink VP59 Teams Editions with firmware version 91.15.0.118 allows a physically proximate attacker to gain control of an account via a flaw in the factory reset procedure.

Vulnerability class: Broken Authentication

Published 2024-04-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Yealink Vp59 Firmware — versions 91.15.0.118

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

medium.com/@deepsahu1/yealink-ip-phone-account-take-over-9bf9e7b847c0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-30939?: CVE-2024-30939 is a medium-severity vulnerability in Yealink Vp59 Firmware, classified under Improper Authentication. CVSS score: 6.8/10. Published 2024-04-25.
How severe is CVE-2024-30939?: Medium severity. CVSS v3 base score is 6.8 out of 10.