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Vulnerabilities

CVE-2026-12223 | BDVDB-2026-340264 Detail

YealinkSIP-T46U

Description#

A vulnerability was identified in Yealink SIP-T46U 108.86.0.118. Affected by this vulnerability is the function mod_webd.TFTPUploadIperf of the file /api/inner/tftpuploadiperf of the component Web FastCGI Service. The manipulation of the argument ip/port leads to command injection. The attack needs to be initiated within the local network. The exploit is publicly available and might be used. Upgrading to version 108.87.0.23 addresses this issue. Upgrading the affected component is recommended. The vendor explains: "It has been fixed (...) for our technical support branch. However, please note that this specific support branch firmware is not publicly released yet."

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: adjacent.

Weaknesses#

  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
  • CWE-74 Injection

References#

Exploit#

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.