cve.bz

CVE-2019-14657

8.8 highEPSS 3.7%

High (8.8) in yeahlink. EPSS 3.7% chance of exploitation in the next 30 days.

Yealink phones through 2019-08-04 have an issue with OpenVPN file upload. They execute tar as root to extract files, but do not validate the extraction directory. Creating a tar file with ../../../../ allows replacement of almost any file on a phone. This leads to password replacement and arbitrary code execution as root.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWEs
CWE-22, CWE-434
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON