CVE-2026-12218
A vulnerability was detected in Yealink SIP-T46U 108.87.50.1. The affected element is the function StartReportInformation of the file /api/inner/beforewifitest of the component Web FastCGI Service. The manipulation of the argument port results in stack-based buffer overflow. Access to the local network is required for this attack. The exploit is now public and may be used. The vendor was contacted early about this disclosure and is working on a patch to fix it.
Published:Jun 15, 2026
Last Modified:Jun 27, 2026
EPS:Jun 15, 2026
EPSS Score:0.00371
CVSS Score:8
Affected Products
Vendor
Product
Action
Vendor
Yealink
Product
Sip-t46u
Yealink
Sip-t46u
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
