From a5e84ddcf66d212b9ac36a9354ee9af4eac62a67 Mon Sep 17 00:00:00 2001
From: Amine Alami <43780877+Alami-Amine@users.noreply.github.com>
Date: Wed, 18 Mar 2026 08:30:23 +0100
Subject: [PATCH] [ThreadNetworkDirectoryServer] Add missing nullptr check for
 iterator (#43619)

(cherry picked from commit a5c34048533f428d18acbeb0a2f601ff086531ab)
---
 .../thread-network-directory-server.cpp                          | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/app/clusters/thread-network-directory-server/thread-network-directory-server.cpp b/src/app/clusters/thread-network-directory-server/thread-network-directory-server.cpp
index fcfa7e04aeca56..5aa0b298404b53 100644
--- a/src/app/clusters/thread-network-directory-server/thread-network-directory-server.cpp
+++ b/src/app/clusters/thread-network-directory-server/thread-network-directory-server.cpp
@@ -133,6 +133,7 @@ CHIP_ERROR ThreadNetworkDirectoryServer::ReadThreadNetworks(const ConcreteDataAt
         CHIP_ERROR err = CHIP_NO_ERROR;
         ExtendedPanId exPanId;
         auto * iterator = mStorage.IterateNetworkIds();
+        VerifyOrReturnError(iterator != nullptr, CHIP_ERROR_NO_MEMORY);
         while (iterator->Next(exPanId))
         {
             uint8_t datasetBuffer[kSizeOperationalDataset];