CVE-2025-46627 — HIGH (8.2)

Vulnerability Description

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.

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Tenda	Rx2 Pro Firmware	16.03.30.14
Tenda	Rx2 Pro	-

Related Weaknesses (CWE)

CWE-922

References

https://blog.uturn.dev/#/writeups/iot-village/tenda-rx2pro/README?id=cve-2025-46ExploitThird Party Advisory
https://www.tendacn.com/us/default.htmlProduct

FAQ

What is CVE-2025-46627?

CVE-2025-46627 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 infor...

How severe is CVE-2025-46627?

CVE-2025-46627 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-46627?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Rx2 Pro Firmware, Tenda Rx2 Pro.