CVE-2026-12222A vulnerability was determined in Yealink SIP-T46U 108.86.0.118.
Updated under an hour ago ()
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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 and is working on a patch to fix it.
- CVSS
- 8.0 HIGH (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119, CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- http://cdn2.v50to.cc/T46U/T46U_mod_webd_BlueToothTest_off_by_one.zip
- https://vuldb.com/cve/CVE-2026-12222
- https://vuldb.com/submit/834602
- https://vuldb.com/vuln/370865
- https://vuldb.com/vuln/370865/cti
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.