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.
History

Fri, 06 Nov 2026 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Yealink
Yealink uvc40 E2
Vendors & Products Yealink
Yealink uvc40 E2

Fri, 06 Nov 2026 12:15:00 +0000

Type Values Removed Values Added
Title USB Physical Access Allows Extraction of Wi‑Fi Credentials and Root Privileges on Yealink UVC40 E2 UVC40: Yealink UVC40: Privilege escalation via physical USB access
Weaknesses CWE-260
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 04 Nov 2026 20:00:00 +0000

Type Values Removed Values Added
Title USB Physical Access Allows Extraction of Wi‑Fi Credentials and Root Privileges on Yealink UVC40 E2

Wed, 04 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-669
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-11-04T18:08:31.917Z

Updated: 2026-11-04T18:08:31.917Z

Reserved: 2026-11-04T18:08:31.579Z

Link: CVE-2026-122124

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-04T19:17:39.727

Modified: 2026-11-04T19:17:39.727

Link: CVE-2026-122124

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-11-04T18:08:31Z

Links: CVE-2026-122124 - Bugzilla