CVE-2018-16221 is a path traversal vulnerability affecting the diagnostics web interface of Yealink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35). An authenticated remote attacker can exploit this flaw by manipulating the 'file' parameter in a POST request to access privileged system files, such as /etc/passwd. This vulnerability carries a high CVSS score of 8.0, indicating significant potential for impact, including high confidentiality, integrity, and availability compromise, with low attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
66.83.0.35CPE matchmatch criteria | cpe:2.3:o:yealink:ultra-elegant_ip_phone_sip-t41p_firmware:66.83.0.35:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.