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1 vulnerability found for T4X Series Phones by Yealink
CVE-2026-122116 (GCVE-0-2026-122116)
Vulnerability from cvelistv5 – Published: 2026-11-04 17:47 – Updated: 2026-11-04 20:00
VLAI
EPSS
VEX
Summary
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.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 19:57 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
mitre
CNA
References
1 reference
Impacted products
13 products
| Vendor | Product | Version | |
|---|---|---|---|
| Yealink | T3XW Series Phones |
Affected:
124.85.0.1 , < 124.87.0.22
(custom)
|
|
| Yealink | T4X Series Phones |
Affected:
108.85.0.1 , < 108.87.0.23
(custom)
|
|
| Yealink | T5X Series Phones |
Affected:
96.85.0.1 , < 96.87.0.24
(custom)
|
|
| Yealink | T7X Series Phones |
Affected:
185.87.0.5 , < 185.87.0.39
(custom)
|
|
| Yealink | SIP-T85W、SIP-T87W |
Affected:
185.87.0.5 , < 185.87.0.39
(custom)
|
|
| Yealink | AX83H、AX86R |
Affected:
180.86.0.1 , < 180.87.0.15
(custom)
|
|
| Yealink | CP925 |
Affected:
148.85.0.1 , < 148.87.0.41
(custom)
|
|
| Yealink | CP935W |
Affected:
149.85.0.1 , < 149.87.0.41
(custom)
|
|
| Yealink | MP E2 Teams Series |
Affected:
176.15.0.1 , < 176.15.0.191
(custom)
|
|
| Yealink | VP59 Teams |
Affected:
91.15.0.1 , < 91.15.1.37
(custom)
|
|
| Yealink | SIP-T58W |
Affected:
150.86.0.5 , < 150.87.0.22
(custom)
|
|
| Yealink | VP59 |
Affected:
91.86.0.5 , < 91.87.0.27
(custom)
|
|
| Yealink | CP965 |
Affected:
143.86.0.5 , < 143.87.0.27
(custom)
|
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