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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…

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

6.1MediumCNA
Exploited
No known exploitation
Fix
Fixed in 319.410.0.71
Who is exposed
Not reported

Do first: Upgrade to a fixed version: 319.410.0.71.

6Pcve.now Index 6 of 100 · methodology v3 · provisional
  • Exploitation?/40Exploitation: unknown (data gap). No CISA SSVC exploitation rating yet
  • Exposure?/25Exposure: unknown (data gap). No advisory context yet
  • Reach?/20Reach: unknown (data gap). No tracked technology or package matched
  • Severity6.1/10CVSS 6.1
  • No patch0/5No signal

What would change the score

  • Would score about 61 if added to CISA KEV
  • Would score about 56 if CISA's SSVC rates exploitation active
  • Would score about 28 if advisories confirm default setups are exposed

CVE-2026-122124 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.1 (medium) and affects UVC40 E2; fixed in 319.410.0.71.

Published
Last modified
Published
Not listed in CISA KEV
6/100 · provisional
Fix
Fixed in 319.410.0.71
None on Exploit-DB, Metasploit or GitHub

Summary

An attacker with brief physical access to a Yealink UVC40 E2 device can use its USB interface to steal Wi-Fi credentials and extract configuration data that can be used to gain root privileges. Within Wi-Fi range, the attacker could also listen to audio and watch video without the device's LED turning on.

Read the original 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.

What to do

  • Upgrade to a fixed version: 319.410.0.71.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Yealink UVC40 E2

    fixed in 319.410.0.71

Evidence 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

FAQ

Questions about CVE-2026-122124

Is CVE-2026-122124 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-122124?

UVC40 E2: before 319.410.0.71.Source: cve.now feed data

How do I fix CVE-2026-122124?

Upgrade to a fixed version: 319.410.0.71.Source: cve.now feed data