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No exploitation reportedAwaiting NVD analysis

CVE-2026-122118

No exploitation reported by the sources we read.

  • Published2026-11-04
  • WeaknessCWE-334

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.

Timeline

dates in UTC
  1. 2026-11-0417:55CVE publishedCNA

Versions per branch

Products declared by the CNA

As mitre, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Yealink AVHubother versions: not affected
    Affected
    • < 153.135.0.76fixed in 153.135.0.76custom
  • Yealink UVC86other versions: not affected
    Affected
    • < 151.435.0.66fixed in 151.435.0.66custom
  • Yealink SmartVision 80other versions: not affected
    Affected
    • < 321.435.0.86fixed in 321.435.0.86custom
  • Yealink UVC40 E2other versions: not affected
    Affected
    • < 319.410.0.66fixed in 319.410.0.66custom
  • Yealink MeetingBorard Cother versions: not affected
    Affected
    • < 328.321.0.40fixed in 328.321.0.40custom
  • Yealink MeetingBar A10other versions: not affected
    Affected
    • < 278.320.0.86fixed in 278.320.0.86custom

2 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-04

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-122118 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Published
2026-11-04
Last Modified
2026-11-04
NVD status
Received
GitHub Advisory
GHSA-763v-w5mm-jf4f

Frequently asked questions

What is CVE-2026-122118?

In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.

Is CVE-2026-122118 actively exploited?

Active exploitation of CVE-2026-122118 has not been confirmed.

What is the CVSS score for CVE-2026-122118?

CVE-2026-122118 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

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