diff --git a/gns3server/handlers/api/dynamips_vm_handler.py b/gns3server/handlers/api/dynamips_vm_handler.py
index 13461897..52698495 100644
--- a/gns3server/handlers/api/dynamips_vm_handler.py
+++ b/gns3server/handlers/api/dynamips_vm_handler.py
@@ -436,3 +436,16 @@ class DynamipsVMHandler:
         vms = yield from dynamips_manager.list_images()
         response.set_status(200)
         response.json(vms)
+
+    @Route.post(
+        r"/dynamips/vms/{filename}",
+        status_codes={
+            204: "Image uploaded",
+        },
+        raw=True,
+        description="Upload Dynamips image.")
+    def upload_vm(request, response):
+
+        dynamips_manager = Dynamips.instance()
+        yield from dynamips_manager.write_image(request.match_info["filename"], request.content)
+        response.set_status(204)
diff --git a/gns3server/handlers/api/iou_handler.py b/gns3server/handlers/api/iou_handler.py
index d87e7537..520decc2 100644
--- a/gns3server/handlers/api/iou_handler.py
+++ b/gns3server/handlers/api/iou_handler.py
@@ -330,3 +330,16 @@ class IOUHandler:
         vms = yield from iou_manager.list_images()
         response.set_status(200)
         response.json(vms)
+
+    @Route.post(
+        r"/iou/vms/{filename}",
+        status_codes={
+            204: "Image uploaded",
+        },
+        raw=True,
+        description="Upload IOU image.")
+    def upload_vm(request, response):
+
+        iou_manager = IOU.instance()
+        yield from iou_manager.write_image(request.match_info["filename"], request.content)
+        response.set_status(204)
diff --git a/gns3server/handlers/api/qemu_handler.py b/gns3server/handlers/api/qemu_handler.py
index 1b84fb4c..3b0db867 100644
--- a/gns3server/handlers/api/qemu_handler.py
+++ b/gns3server/handlers/api/qemu_handler.py
@@ -305,3 +305,16 @@ class QEMUHandler:
         vms = yield from qemu_manager.list_images()
         response.set_status(200)
         response.json(vms)
+
+    @Route.post(
+        r"/qemu/vms/{filename}",
+        status_codes={
+            204: "Image uploaded",
+        },
+        raw=True,
+        description="Upload Qemu image.")
+    def upload_vm(request, response):
+
+        qemu_manager = Qemu.instance()
+        yield from qemu_manager.write_image(request.match_info["filename"], request.content)
+        response.set_status(204)
diff --git a/gns3server/modules/base_manager.py b/gns3server/modules/base_manager.py
index 24a33066..6da7a8bb 100644
--- a/gns3server/modules/base_manager.py
+++ b/gns3server/modules/base_manager.py
@@ -432,3 +432,20 @@ class BaseManager:
         """
 
         raise NotImplementedError
+
+    @asyncio.coroutine
+    def write_image(self, filename, stream):
+        directory = self.get_images_directory()
+        path = os.path.join(directory, os.path.basename(filename))
+        log.info("Writting image file %s", path)
+        try:
+            os.makedirs(directory, exist_ok=True)
+            with open(path, 'wb+') as f:
+                while True:
+                    packet = yield from stream.read(512)
+                    if not packet:
+                        break
+                    f.write(packet)
+            os.chmod(path, stat.S_IWRITE | stat.S_IREAD | stat.S_IEXEC)
+        except OSError as e:
+            raise aiohttp.web.HTTPConflict(text="Could not write image: {} to {}".format(filename, e))
diff --git a/gns3server/web/route.py b/gns3server/web/route.py
index f376b820..7601bd6b 100644
--- a/gns3server/web/route.py
+++ b/gns3server/web/route.py
@@ -89,6 +89,7 @@ class Route(object):
         output_schema = kw.get("output", {})
         input_schema = kw.get("input", {})
         api_version = kw.get("api_version", 1)
+        raw = kw.get("raw", False)
 
         # If it's a JSON api endpoint just register the endpoint an do nothing
         if api_version is None:
@@ -119,8 +120,9 @@ class Route(object):
                 # This block is executed at each method call
 
                 # Non API call
-                if api_version is None:
+                if api_version is None or raw is True:
                     response = Response(request=request, route=route, output_schema=output_schema)
+
                     yield from func(request, response)
                     return response
 
diff --git a/requirements.txt b/requirements.txt
index c12c2071..546c71ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 netifaces==0.10.4
 jsonschema==2.4.0
 python-dateutil==2.3
-aiohttp==0.14.4
+aiohttp==0.15.3
 Jinja2==2.7.3
 raven==5.2.0
diff --git a/setup.py b/setup.py
index f72b781d..b251e106 100644
--- a/setup.py
+++ b/setup.py
@@ -34,12 +34,12 @@ class PyTest(TestCommand):
         sys.exit(errcode)
 
 
-dependencies = ["aiohttp>=0.14.4",
+dependencies = ["aiohttp>=0.15.3",
                 "jsonschema>=2.4.0",
                 "Jinja2>=2.7.3",
                 "raven>=5.2.0"]
 
-#if not sys.platform.startswith("win"):
+# if not sys.platform.startswith("win"):
 #    dependencies.append("netifaces==0.10.4")
 
 if sys.version_info == (3, 3):
diff --git a/tests/handlers/api/test_dynamips.py b/tests/handlers/api/test_dynamips.py
index 8b096071..9deb65af 100644
--- a/tests/handlers/api/test_dynamips.py
+++ b/tests/handlers/api/test_dynamips.py
@@ -146,3 +146,22 @@ def test_vms(server, tmpdir, fake_dynamips):
         response = server.get("/dynamips/vms")
     assert response.status == 200
     assert response.json == [{"filename": "7200.bin"}]
+
+
+def test_upload_vm(server, tmpdir):
+    with patch("gns3server.modules.Dynamips.get_images_directory", return_value=str(tmpdir),):
+        response = server.post("/dynamips/vms/test2", body="TEST", raw=True)
+        assert response.status == 204
+
+    with open(str(tmpdir / "test2")) as f:
+        assert f.read() == "TEST"
+
+
+def test_upload_vm_permission_denied(server, tmpdir):
+    with open(str(tmpdir / "test2"), "w+") as f:
+        f.write("")
+    os.chmod(str(tmpdir / "test2"), 0)
+
+    with patch("gns3server.modules.Dynamips.get_images_directory", return_value=str(tmpdir),):
+        response = server.post("/dynamips/vms/test2", body="TEST", raw=True)
+        assert response.status == 409
diff --git a/tests/handlers/api/test_iou.py b/tests/handlers/api/test_iou.py
index 7b91ef62..962cd81d 100644
--- a/tests/handlers/api/test_iou.py
+++ b/tests/handlers/api/test_iou.py
@@ -20,6 +20,7 @@ import os
 import stat
 import sys
 import uuid
+import aiohttp
 
 from tests.utils import asyncio_patch
 from unittest.mock import patch, MagicMock, PropertyMock
@@ -311,9 +312,28 @@ def test_get_initial_config_with_config_file(server, project, vm):
     assert response.json["content"] == "TEST"
 
 
-def test_vms(server, vm, tmpdir, fake_iou_bin):
+def test_vms(server, tmpdir, fake_iou_bin):
 
-    with patch("gns3server.modules.IOU.get_images_directory", return_value=str(tmpdir), example=True):
-        response = server.get("/iou/vms")
+    with patch("gns3server.modules.IOU.get_images_directory", return_value=str(tmpdir)):
+        response = server.get("/iou/vms", example=True)
     assert response.status == 200
     assert response.json == [{"filename": "iou.bin"}]
+
+
+def test_upload_vm(server, tmpdir):
+    with patch("gns3server.modules.IOU.get_images_directory", return_value=str(tmpdir),):
+        response = server.post("/iou/vms/test2", body="TEST", raw=True)
+        assert response.status == 204
+
+    with open(str(tmpdir / "test2")) as f:
+        assert f.read() == "TEST"
+
+
+def test_upload_vm_permission_denied(server, tmpdir):
+    with open(str(tmpdir / "test2"), "w+") as f:
+        f.write("")
+    os.chmod(str(tmpdir / "test2"), 0)
+
+    with patch("gns3server.modules.IOU.get_images_directory", return_value=str(tmpdir),):
+        response = server.post("/iou/vms/test2", body="TEST", raw=True)
+        assert response.status == 409
diff --git a/tests/handlers/api/test_qemu.py b/tests/handlers/api/test_qemu.py
index 4af9065f..cf08992a 100644
--- a/tests/handlers/api/test_qemu.py
+++ b/tests/handlers/api/test_qemu.py
@@ -200,3 +200,22 @@ def test_vms(server, tmpdir, fake_qemu_vm):
         response = server.get("/qemu/vms")
     assert response.status == 200
     assert response.json == [{"filename": "linux.img"}]
+
+
+def test_upload_vm(server, tmpdir):
+    with patch("gns3server.modules.Qemu.get_images_directory", return_value=str(tmpdir),):
+        response = server.post("/qemu/vms/test2", body="TEST", raw=True)
+        assert response.status == 204
+
+    with open(str(tmpdir / "test2")) as f:
+        assert f.read() == "TEST"
+
+
+def test_upload_vm_permission_denied(server, tmpdir):
+    with open(str(tmpdir / "test2"), "w+") as f:
+        f.write("")
+    os.chmod(str(tmpdir / "test2"), 0)
+
+    with patch("gns3server.modules.Qemu.get_images_directory", return_value=str(tmpdir),):
+        response = server.post("/qemu/vms/test2", body="TEST", raw=True)
+        assert response.status == 409