6.6

CVE-2025-65855

The OTA firmware update mechanism in Netun Solutions HelpFlash IoT (firmware v18_178_221102_ASCII_PRO_1R5_50) uses hard-coded WiFi credentials identical across all devices and does not authenticate update servers or validate firmware signatures. An attacker with brief physical access can activate OTA mode (8-second button press), create a malicious WiFi AP using the known credentials, and serve malicious firmware via unauthenticated HTTP to achieve arbitrary code execution on this safety-critical emergency signaling device.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Netun ≫ Helpflash Iot Firmware Version18_178_221102_ascii_pro_1r5_50
   Netun ≫ Helpflash Iot Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.09% 0.004
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 6.6 0.7 5.9
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-319 Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

CWE-494 Download of Code Without Integrity Check

The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.

CWE-798 Use of Hard-coded Credentials

The product contains hard-coded credentials, such as a password or cryptographic key.

https://docs.espressif.com/projects/esp-idf/en/v4.3.2/
Product
https://luismirandaacebedo.github.io/CVE-2025-65855/
Third Party Advisory