CVE-2026-75489
Cudy TR3000 before 2.5.42 SMT Message Forgery via Probe Request Vendor IE
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
Cudy TR3000 before 2.5.42 contains an insufficient verification of data authenticity vulnerability in the mt_wifi Smart Mesh Technology (SMT) onboarding, which protects messages only with an AES-CBC key derived from public values and a CRC32 check. Adjacent unauthenticated attackers can forge SMT messages in Probe Request vendor IEs carrying an attacker-chosen SSID and pre-shared key, forcing unpaired devices to join attacker-controlled access points.
| CWE | CWE-345 |
| Vendor | shenzhen cudy technology co., ltd. |
| Product | tr3000 1.0 |
| Published | Nov 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for shenzhen cudy technology co., ltd. tr3000 1.0
Be the first to know when new medium vulnerabilities affecting shenzhen cudy technology co., ltd. tr3000 1.0 are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
Shenzhen Cudy Technology Co., Ltd. / TR3000 1.0
0 < 2.5.42
References
cudy.com: https://www.cudy.com/en-us/pages/download-center/tr3000-1-0 d1jvyy13vm72kv.cloudfront.net: https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip vulncheck.com: https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-smt-message-forgery-via-probe-request-vendor-ie