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01 Record

CVE-2019-14657

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 ../../../../

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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 ../../../../

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.73% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.3% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-10-08 12:02Z7 YR AGO
Last updated
2024-08-05 00:19Z2 YR AGO
Reserved
2019-08-04
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
  • CWE-434Unrestricted Upload of File with Dangerous TypeBase
Data version
5.1
Document digest
86f47f997ba44c0d59b771217b246b6fd00992b7565f6705542096c564852647

05 Affected products

VendorProductVersionsPlatforms
yeahlinkt49gNot specified—
yeahlinkt49g_firmwareNot specified—
yeahlinkt58vNot specified—
yeahlinkt58v_firmwareNot specified—
yeahlinkvp59Not specified—
yeahlinkvp59_firmwareNot specified—

06 References