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Fencer Intel
high 7.4

CVE-2026-122118 json

In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient stren…

published 5d ago modified 5d ago also EUVD-2026-117012

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits
0
none known

Summary

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.

Patch / fix

  • Yealink AVHub 153.135.0.76
  • Yealink UVC86 151.435.0.66
  • Yealink SmartVision 80 321.435.0.86
  • Yealink UVC40 E2 319.410.0.66
  • Yealink MeetingBorard C 328.321.0.40
  • Yealink MeetingBar A10 278.320.0.86
  • Yealink MeetingBar A40 289.320.0.81
  • Yealink MeetingBar A50 323.320.0.54

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5d ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

  • Yealink AVHub
  • Yealink UVC86
  • Yealink SmartVision 80
  • Yealink UVC40 E2
  • Yealink MeetingBorard C
  • Yealink MeetingBar A10
  • Yealink MeetingBar A40
  • Yealink MeetingBar A50

Classification

Weakness
  • CWE-334 Small Space of Random Values

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.