diff --git a/examples/all-clusters-app/all-clusters-common/gen/attribute-size.cpp b/examples/all-clusters-app/all-clusters-common/gen/attribute-size.cpp
index cff2cebbffe20e..96172ed05f4f66 100644
--- a/examples/all-clusters-app/all-clusters-common/gen/attribute-size.cpp
+++ b/examples/all-clusters-app/all-clusters-common/gen/attribute-size.cpp
@@ -138,7 +138,7 @@ uint16_t emberAfCopyList(ClusterId clusterId, EmberAfAttributeMetadata * am, boo
         {
         case 0x0000: // accepts header list
         {
-            entryOffset = GetByteSpanOffsetFromIndex(write ? dest : src, am->size, index - 1);
+            entryOffset = GetByteSpanOffsetFromIndex(write ? dest : src, am->size, static_cast<uint16_t>(index - 1));
             if (entryOffset == 0)
             {
                 ChipLogError(Zcl, "Index %" PRId32 " is invalid.", index);
@@ -155,7 +155,12 @@ uint16_t emberAfCopyList(ClusterId clusterId, EmberAfAttributeMetadata * am, boo
                 return 0;
             }
 
-            entryLength = acceptsHeaderListSpan->size();
+            if (!CanCastTo<uint16_t>(acceptsHeaderListSpan->size()))
+            {
+                ChipLogError(Zcl, "Span size %zu is too large", acceptsHeaderListSpan->size());
+                return 0;
+            }
+            entryLength = static_cast<uint16_t>(acceptsHeaderListSpan->size());
             break;
         }
         case 0x0001: // supported streaming types
@@ -548,7 +553,7 @@ uint16_t emberAfCopyList(ClusterId clusterId, EmberAfAttributeMetadata * am, boo
         }
         case 0x001B: // list_octet_string
         {
-            entryOffset = GetByteSpanOffsetFromIndex(write ? dest : src, am->size, index - 1);
+            entryOffset = GetByteSpanOffsetFromIndex(write ? dest : src, am->size, static_cast<uint16_t>(index - 1));
             if (entryOffset == 0)
             {
                 ChipLogError(Zcl, "Index %" PRId32 " is invalid.", index);
@@ -565,7 +570,12 @@ uint16_t emberAfCopyList(ClusterId clusterId, EmberAfAttributeMetadata * am, boo
                 return 0;
             }
 
-            entryLength = listOctetStringSpan->size();
+            if (!CanCastTo<uint16_t>(listOctetStringSpan->size()))
+            {
+                ChipLogError(Zcl, "Span size %zu is too large", listOctetStringSpan->size());
+                return 0;
+            }
+            entryLength = static_cast<uint16_t>(listOctetStringSpan->size());
             break;
         }
         case 0x001C: // list_struct_octet_string
diff --git a/examples/tv-app/tv-common/gen/attribute-size.cpp b/examples/tv-app/tv-common/gen/attribute-size.cpp
index 1a8c6cc4d78fd3..d2cd645eb78ab6 100644
--- a/examples/tv-app/tv-common/gen/attribute-size.cpp
+++ b/examples/tv-app/tv-common/gen/attribute-size.cpp
@@ -138,7 +138,7 @@ uint16_t emberAfCopyList(ClusterId clusterId, EmberAfAttributeMetadata * am, boo
         {
         case 0x0000: // accepts header list
         {
-            entryOffset = GetByteSpanOffsetFromIndex(write ? dest : src, am->size, index - 1);
+            entryOffset = GetByteSpanOffsetFromIndex(write ? dest : src, am->size, static_cast<uint16_t>(index - 1));
             if (entryOffset == 0)
             {
                 ChipLogError(Zcl, "Index %" PRId32 " is invalid.", index);
@@ -155,7 +155,12 @@ uint16_t emberAfCopyList(ClusterId clusterId, EmberAfAttributeMetadata * am, boo
                 return 0;
             }
 
-            entryLength = acceptsHeaderListSpan->size();
+            if (!CanCastTo<uint16_t>(acceptsHeaderListSpan->size()))
+            {
+                ChipLogError(Zcl, "Span size %zu is too large", acceptsHeaderListSpan->size());
+                return 0;
+            }
+            entryLength = static_cast<uint16_t>(acceptsHeaderListSpan->size());
             break;
         }
         case 0x0001: // supported streaming types
diff --git a/src/controller/data_model/gen/CHIPClientCallbacks.cpp b/src/controller/data_model/gen/CHIPClientCallbacks.cpp
index 49752b1f185c40..b228ec4ef1db49 100644
--- a/src/controller/data_model/gen/CHIPClientCallbacks.cpp
+++ b/src/controller/data_model/gen/CHIPClientCallbacks.cpp
@@ -881,10 +881,10 @@ bool emberAfReadAttributesResponseCallback(ClusterId clusterId, uint8_t * messag
                             data[i].LQI = emberAfGetInt8u(message, 0, 1);
                             message += 1;
                             CHECK_MESSAGE_LENGTH(1);
-                            data[i].AverageRssi = emberAfGetInt8u(message, 0, 1);
+                            data[i].AverageRssi = emberAfGetInt8s(message, 0, 1);
                             message += 1;
                             CHECK_MESSAGE_LENGTH(1);
-                            data[i].LastRssi = emberAfGetInt8u(message, 0, 1);
+                            data[i].LastRssi = emberAfGetInt8s(message, 0, 1);
                             message += 1;
                             CHECK_MESSAGE_LENGTH(1);
                             data[i].FrameErrorRate = emberAfGetInt8u(message, 0, 1);