vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2018-16221

N/A
Published: May 29, 2019 at 05:59 PM UTC
Updated: June 17, 2026 at 01:43 AM UTC
2 products affected across 1 vendorUltra Elegant IP Phone Sip T41P FirmwareUltra Elegant IP Phone Sip T41P

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
N/A
Exploit prediction
EPSS 1%

Description

The diagnostics web interface in the Yeahlink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35) does not validate (escape) the path information (path traversal), which allows an authenticated remote attacker to get access to privileged information (e.g., /etc/passwd) via path traversal (relative path information in the file parameter of the corresponding POST request).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ultra Elegant IP Phone Sip T41P Firmware· Yealink
95%
66.83.0.35
yealink-ultra-elegant-ip-phone-sip-t41p (same device)
Ultra Elegant IP Phone Sip T41P· Yealinkdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.sit.fraunhofer.de/de/securitytestlab/
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_Yealink_Ultra-elegantIPPhone_SIPT41P.pdf?_=1549375271

CVSS

7.7HIGH[email protected]
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card