PT-2019-13761 · Yealink · Yealink Phones

Published 2019-10-08 · Updated 2019-10-17 · CVE-2019-14656

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Yealink phones versions prior to 2019-08-04

Description The issue concerns improper checking of user roles in POST requests. This allows the default User account, which has a password of user, to make admin requests via HTTP.

Recommendations For Yealink phones versions prior to 2019-08-04, consider restricting access to admin requests until a proper fix is applied. As a temporary workaround, changing the default User account password from user to a stronger one may help minimize the risk of exploitation.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2019-14656

Affected Products

Yealink Phones

References · 4

• 🔥 http://cerebusforensics.com/yealink/exploit.html · Exploit
• 🔥 https://sway.office.com/3pCb559LYVuT0eig · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-14656 · Security Note
• https://osv.dev/vulnerability/CVE-2019-14656 · Vendor Advisory