From dc4130a643f3e46526487968aa1a06117e78fd8d Mon Sep 17 00:00:00 2001
From: MrAlaskan <1922345259@qq.com>
Date: Tue, 21 Jul 2026 14:49:15 +0800
Subject: [PATCH] fix: encode connection data port values in host byte order

---
 source/src/cip/cipconnectionmanager.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/src/cip/cipconnectionmanager.c b/source/src/cip/cipconnectionmanager.c
index 5dc1f1fe5..ed8cad9f5 100644
--- a/source/src/cip/cipconnectionmanager.c
+++ b/source/src/cip/cipconnectionmanager.c
@@ -874,10 +874,10 @@ void AssembleConnectionDataResponseMessage(
   // Connection state UINT
   AddIntToMessage(connection_object->state, &message_router_response->message);
   // Originator Port UINT
-  AddIntToMessage(connection_object->originator_address.sin_port,
+  AddIntToMessage(ntohs(connection_object->originator_address.sin_port),
                   &message_router_response->message);
   // Target Port UINT
-  AddIntToMessage(connection_object->remote_address.sin_port,
+  AddIntToMessage(ntohs(connection_object->remote_address.sin_port),
                   &message_router_response->message);
   // Connection Serial Number UINT
   AddIntToMessage(connection_object->connection_serial_number,