CVE-2026-71960
CRITICAL
9,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL
9,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Description
AI Translation Available
Cudy WR3000 2.0 running firmware before 2.5.24 contains a hard-coded JWT HMAC signing secret vulnerability in the Mosquitto MQTT broker's authentication plugin that allows unauthenticated attackers to forge valid JWT tokens by extracting the secret from the firmware image. Attackers can use the extracted secret to craft arbitrary JWT tokens and authenticate to the MQTT broker without legitimate credentials, gaining unauthorized access to the device's mesh networking interface.
798
Use of Hard-coded Credentials
DraftCommon Consequences
Security Scopes Affected:
Access Control
Integrity
Confidentiality
Availability
Other
Potential Impacts:
Bypass Protection Mechanism
Read Application Data
Gain Privileges Or Assume Identity
Execute Unauthorized Code Or Commands
Other
Applicable Platforms
Technologies:
Mobile, ICS/OT
https://www.cudy.com/en-us/pages/download-center/wr3000-2-0
https://www.vulncheck.com/advisories/cudy-wr3000-hard-coded-jwt-secret-authenti…