CVE-2025-46627

Use of weak credentials in the Tenda RX2 Pro 16.03.30.14 allows an unauthenticated attacker to authenticate to the telnet service by calculating the root password based on easily-obtained device information. The password is based on the last two digits/octets of the MAC address.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
mitreCNA
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CISA-ADPADP
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
tendarx2_pro_firmware
16.03.30.14
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://blog.uturn.dev/#/writeups/iot-village/tenda-rx2pro/README?id=cve-2025-46627-calculated-os-root-password
https://www.tendacn.com/us/default.html