CVE-2026-122116
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
Certain Yealink terminal devices before 2026-04-21 contain an improper access control vulnerability in the Wi-Fi 802.1X PEAP network configuration function. This flaw exposes deployed 802.1X network access authentication credentials to unauthorized users. The latest Yealink firmware has addressed this vulnerability by restricting 802.1X configuration modification privileges to administrator accounts only by default.
| CWE | CWE-863 |
| Vendor | yealink |
| Product | t3xw series phones |
| Published | Nov 4, 2026 |
| Last Updated | Nov 4, 2026 |
Stay Ahead of the Next One
Get instant alerts for yealink t3xw series phones
Be the first to know when new medium vulnerabilities affecting yealink t3xw series phones are published โ delivered to Slack, Telegram or Discord.
Get Free Alerts โ
Free ยท No credit card ยท 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
Yealink / T3XW Series Phones
124.85.0.1 < 124.87.0.22
Yealink / T4X Series Phones
108.85.0.1 < 108.87.0.23
Yealink / T5X Series Phones
96.85.0.1 < 96.87.0.24
Yealink / T7X Series Phones
185.87.0.5 < 185.87.0.39
Yealink / SIP-T85WใSIP-T87W
185.87.0.5 < 185.87.0.39
Yealink / AX83HใAX86R
180.86.0.1 < 180.87.0.15
Yealink / CP925
148.85.0.1 < 148.87.0.41
Yealink / CP935W
149.85.0.1 < 149.87.0.41
Yealink / MP E2 Teams Series
176.15.0.1 < 176.15.0.191
Yealink / VP59 Teams
91.15.0.1 < 91.15.1.37
Yealink / SIP-T58W
150.86.0.5 < 150.87.0.22
Yealink / VP59
91.86.0.5 < 91.87.0.27
Yealink / CP965
143.86.0.5 < 143.87.0.27