CVE-2026-12222 (GCVE-0-2026-12222)

Vulnerability from cvelistv5 – Published: 2026-06-15 05:15 – Updated: 2026-06-15 13:11
VLAI
Title
Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow
Summary
A vulnerability was determined in Yealink SIP-T46U 108.86.0.118. Affected is the function mod_webd.BlueToothTest of the file /api/inner/bttest of the component Web FastCGI Service. Executing a manipulation of the argument btMac/pin/reserved can lead to stack-based buffer overflow. The attack needs to be done within the local network. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.6 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8 (High)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8 (High)
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/370865 vdb-entrytechnical-description
https://vuldb.com/vuln/370865/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12222 third-party-advisory
https://vuldb.com/submit/834602 third-party-advisory
http://cdn2.v50to.cc/T46U/T46U_mod_webd_BlueTooth… broken-linkexploit
Impacted products
Vendor Product Version
Yealink SIP-T46U Affected: 108.86.0.118
    cpe:2.3:a:yealink:sip-t46u:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
ChiChen241 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.