PT-2026-49182 · Yealink · Sip-T46U

Chichen241 · Published 2026-06-15 · Updated 2026-06-15 · CVE-2026-12223

NVD

CVSS v2.0

5.2

Medium

Base vector

AV:A/AC:L/Au:S/C:P/I:P/A:P

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. The vendor was contacted early about this disclosure but did not respond in any way.

Exploit

Fix

Special Elements Injection

Command Injection

Weakness Enumeration

CWE-74

CWE-77

Related Identifiers

CVE-2026-12223

Affected Products

Sip-T46U

References · 6

• 🔥 http://cdn2.v50to.cc/T46U/T46U_mod_webd_TFTPUploadIperf_system_exec.zip · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12223 · Security Note
• https://vuldb.com/vuln/370866 · Note
• https://vuldb.com/vuln/370866/cti · Note
• https://vuldb.com/submit/834603 · Note
• https://vuldb.com/cve/CVE-2026-12223 · Note