Path Traversal Vulnerability in Yealink Ultra-elegant IP Phone SIP-T41P
CVE-2018-16221

8HIGH

Key Information:

Vendor

Yealink

Status
Ultra-elegant Ip Phone Sip-t41p Firmware
Vendor
CVE Published:
29 May 2019

What is CVE-2018-16221?

The diagnostics web interface of the Yealink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35) is susceptible to a path traversal vulnerability. This weakness arises from the system's inability to properly validate and escape path information, enabling an authenticated remote attacker to access sensitive files, including potentially critical system files like /etc/passwd, through crafted POST requests.

References

https://www.sit.fraunhofer.de/de/securitytestlab/
x_refsource_MISC
https://www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Adv...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.