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TI-2026-85126 Aliases CVE-2026-122148GHSA-rvhh-fqwv-r6fq

Front-end validation bypass in Yealink MeetingBoard Pro Web management

Priority LOW 35CWE-602Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Yealink MeetingBoard Pro from 331.320.0.30 before 331.320.0.64 has a front-end validation bypass in its Web management module. An attacker with administrator privileges who has a valid account on the local network can modify the page DOM to get around front-end interface restrictions and trigger the screenshot function. The flaw is classified as CWE-602, client-side enforcement of server-side security.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

In Yealink MeetingBoard Pro before 331.320.0.64, the Web management module has a front-end validation bypass vulnerability. An attacker with administrator privileges can modify the page DOM to bypass front-end UI control logic and invoke screenshot-related interfaces, triggering the screenshot function by circumventing front-end interface restrictions. Exploitation can occur only when the attacker has a valid administrator account within the local network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Fix Fixed MeetingBoard Pro (Yealink): 331.320.0.64

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YealinkMeetingBoard Pro331.320.0.30 to before 331.320.0.64331.320.0.64Patch availableCNA
  • MeetingBoard Pro VendorYealink Affected 331.320.0.30 to before 331.320.0.64 Fixed in 331.320.0.64 Patch available CNA

Remediation

Update Yealink MeetingBoard Pro to version 331.320.0.64 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA MeetingBoard Pro (Yealink) Fixed in 331.320.0.64

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-122148
  2. 2026-11-04 Alias added: GHSA-rvhh-fqwv-r6fq
  3. 2026-11-05 CISA SSVC decision points changed
  4. 2026-11-05 Priority changed: MEDIUM → LOW
  5. 2026-11-06 Affected versions changed · Red Hat
  6. 2026-11-06 CVSS score added · Red Hat

References

Other 1

  • TI-2021-09018 Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-41051 An issue in Yealink T21P_E2 Phone 52.84.0.15 allows a remote normal privileged attacker… CVSS 3.1HIGH 8.8
  • TI-2023-23573 An issue in YeaLinkSIP-T19P-E2 v.53.84.0.15 allows a remote privileged attacker to… CVSS 3.1HIGH 8.8
  • TI-2026-10514 Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow CVSS 4.0HIGH 8.6
  • TI-2026-10512 Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based overflow CVSS 4.0HIGH 8.6
  • TI-2026-10510 Yealink SIP-T46U Web FastCGI Service beforewifitest StartReportInformation stack-based overflow CVSS 4.0HIGH 8.6
See all 42 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences