CyberSecBulletin
CVE-2025-46627NVD status: Analyzed

Rx2 Pro Firmware: Insecure Storage of Sensitive Information

Published Updated By the CyberSecBulletin desk

CVE-2025-46627 is a high-severity insecure storage of sensitive information vulnerability in Rx2 Pro Firmware from Tenda, with a CVSS 3.1 base score of 8.2 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Rx2 Pro Firmware versions: 16.03.30.14. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.43% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Rx2 Pro Firmware you run against the affected versions below, and install the vendor's latest release.
  2. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
TendaRx2 Pro Firmware16.03.30.14Not stated

Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
LowLimited modification of data is possible.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. Scored by CISA (ADP).

Official 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.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Insecure Storage of Sensitive Information

The product stores sensitive information without properly limiting read or write access by unauthorized actors.

More Insecure Storage of Sensitive Information vulnerabilities (CWE-922)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Technical write-ups (may include proof of concept)

Other references

Other vulnerabilities in Rx2 Pro Firmware

All Rx2 Pro Firmware vulnerabilities

Recent Insecure Storage of Sensitive Information vulnerabilities

Spotted an error? Tell us.