CVE-2026-122124 PUBLISHED

Assigner: mitre
Reserved: 04.11.2026 Published: 04.11.2026 Updated: 04.11.2026

On Yealink UVC40 E2 devices before 319.410.0.71, an attacker with short-term physical access can steal Wi‑Fi credentials via the USB interface. Sensitive data within the firmware configuration can be abused to gain root privileges on the device. Within Wi‑Fi coverage, the attacker may perform audio and video eavesdropping with no LED alert from the device.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 6.1

Attack Vector	Physical	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Yealink
Product	UVC40 E2
Versions	Default: unaffected affected from 0 to 319.410.0.71 (excl.)

References

https://www.yealink.com/en/trust-center/security-bulletins/yealink-uvc40-e2-physical-access-via-usb-interface-allows-extraction-of-sensitive-data-and-root-privilege-acquisition

Problem Types

CWE-669 Incorrect Resource Transfer Between Spheres CWE