diff --git a/src/modules/temperature_compensation/TemperatureCompensation.cpp b/src/modules/temperature_compensation/TemperatureCompensation.cpp
index 9dbdd7ee5e..cab7630bfd 100644
--- a/src/modules/temperature_compensation/TemperatureCompensation.cpp
+++ b/src/modules/temperature_compensation/TemperatureCompensation.cpp
@@ -59,25 +59,25 @@ int TemperatureCompensation::initialize_parameter_handles(ParameterHandles &para
 
 	if (ret == PX4_OK && gyro_tc_enabled) {
 		for (unsigned j = 0; j < GYRO_COUNT_MAX; j++) {
-			sprintf(nbuf, "TC_G%d_ID", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_G%d_ID", j);
 			parameter_handles.gyro_cal_handles[j].ID = param_find(nbuf);
 
 			for (unsigned i = 0; i < 3; i++) {
-				sprintf(nbuf, "TC_G%d_X3_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_G%d_X3_%d", j, i);
 				parameter_handles.gyro_cal_handles[j].x3[i] = param_find(nbuf);
-				sprintf(nbuf, "TC_G%d_X2_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_G%d_X2_%d", j, i);
 				parameter_handles.gyro_cal_handles[j].x2[i] = param_find(nbuf);
-				sprintf(nbuf, "TC_G%d_X1_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_G%d_X1_%d", j, i);
 				parameter_handles.gyro_cal_handles[j].x1[i] = param_find(nbuf);
-				sprintf(nbuf, "TC_G%d_X0_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_G%d_X0_%d", j, i);
 				parameter_handles.gyro_cal_handles[j].x0[i] = param_find(nbuf);
 			}
 
-			sprintf(nbuf, "TC_G%d_TREF", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_G%d_TREF", j);
 			parameter_handles.gyro_cal_handles[j].ref_temp = param_find(nbuf);
-			sprintf(nbuf, "TC_G%d_TMIN", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_G%d_TMIN", j);
 			parameter_handles.gyro_cal_handles[j].min_temp = param_find(nbuf);
-			sprintf(nbuf, "TC_G%d_TMAX", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_G%d_TMAX", j);
 			parameter_handles.gyro_cal_handles[j].max_temp = param_find(nbuf);
 		}
 	}
@@ -89,25 +89,25 @@ int TemperatureCompensation::initialize_parameter_handles(ParameterHandles &para
 
 	if (ret == PX4_OK && accel_tc_enabled) {
 		for (unsigned j = 0; j < ACCEL_COUNT_MAX; j++) {
-			sprintf(nbuf, "TC_A%d_ID", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_A%d_ID", j);
 			parameter_handles.accel_cal_handles[j].ID = param_find(nbuf);
 
 			for (unsigned i = 0; i < 3; i++) {
-				sprintf(nbuf, "TC_A%d_X3_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_A%d_X3_%d", j, i);
 				parameter_handles.accel_cal_handles[j].x3[i] = param_find(nbuf);
-				sprintf(nbuf, "TC_A%d_X2_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_A%d_X2_%d", j, i);
 				parameter_handles.accel_cal_handles[j].x2[i] = param_find(nbuf);
-				sprintf(nbuf, "TC_A%d_X1_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_A%d_X1_%d", j, i);
 				parameter_handles.accel_cal_handles[j].x1[i] = param_find(nbuf);
-				sprintf(nbuf, "TC_A%d_X0_%d", j, i);
+				snprintf(nbuf, sizeof(nbuf), "TC_A%d_X0_%d", j, i);
 				parameter_handles.accel_cal_handles[j].x0[i] = param_find(nbuf);
 			}
 
-			sprintf(nbuf, "TC_A%d_TREF", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_A%d_TREF", j);
 			parameter_handles.accel_cal_handles[j].ref_temp = param_find(nbuf);
-			sprintf(nbuf, "TC_A%d_TMIN", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_A%d_TMIN", j);
 			parameter_handles.accel_cal_handles[j].min_temp = param_find(nbuf);
-			sprintf(nbuf, "TC_A%d_TMAX", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_A%d_TMAX", j);
 			parameter_handles.accel_cal_handles[j].max_temp = param_find(nbuf);
 		}
 	}
@@ -119,25 +119,25 @@ int TemperatureCompensation::initialize_parameter_handles(ParameterHandles &para
 
 	if (ret == PX4_OK && baro_tc_enabled) {
 		for (unsigned j = 0; j < BARO_COUNT_MAX; j++) {
-			sprintf(nbuf, "TC_B%d_ID", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_ID", j);
 			parameter_handles.baro_cal_handles[j].ID = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_X5", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_X5", j);
 			parameter_handles.baro_cal_handles[j].x5 = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_X4", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_X4", j);
 			parameter_handles.baro_cal_handles[j].x4 = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_X3", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_X3", j);
 			parameter_handles.baro_cal_handles[j].x3 = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_X2", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_X2", j);
 			parameter_handles.baro_cal_handles[j].x2 = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_X1", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_X1", j);
 			parameter_handles.baro_cal_handles[j].x1 = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_X0", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_X0", j);
 			parameter_handles.baro_cal_handles[j].x0 = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_TREF", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_TREF", j);
 			parameter_handles.baro_cal_handles[j].ref_temp = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_TMIN", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_TMIN", j);
 			parameter_handles.baro_cal_handles[j].min_temp = param_find(nbuf);
-			sprintf(nbuf, "TC_B%d_TMAX", j);
+			snprintf(nbuf, sizeof(nbuf), "TC_B%d_TMAX", j);
 			parameter_handles.baro_cal_handles[j].max_temp = param_find(nbuf);
 		}
 	}
diff --git a/src/modules/temperature_compensation/temperature_calibration/accel.cpp b/src/modules/temperature_compensation/temperature_calibration/accel.cpp
index 9dc6c071f8..919b4aa6a5 100644
--- a/src/modules/temperature_compensation/temperature_calibration/accel.cpp
+++ b/src/modules/temperature_compensation/temperature_calibration/accel.cpp
@@ -212,7 +212,7 @@ int TemperatureCalibrationAccel::finish_sensor_instance(PerSensorData &data, int
 
 	for (unsigned axis_index = 0; axis_index < 3; axis_index++) {
 		for (unsigned coef_index = 0; coef_index <= 3; coef_index++) {
-			sprintf(str, "TC_A%d_X%d_%d", sensor_index, 3 - coef_index, axis_index);
+			snprintf(str, sizeof(str), "TC_A%d_X%d_%d", sensor_index, 3 - coef_index, axis_index);
 			param = (float)res[axis_index][coef_index];
 			result = param_set_no_notification(param_find(str), &param);
 
diff --git a/src/modules/temperature_compensation/temperature_calibration/baro.cpp b/src/modules/temperature_compensation/temperature_calibration/baro.cpp
index 4d1dc7be90..7cee4739df 100644
--- a/src/modules/temperature_compensation/temperature_calibration/baro.cpp
+++ b/src/modules/temperature_compensation/temperature_calibration/baro.cpp
@@ -197,7 +197,7 @@ int TemperatureCalibrationBaro::finish_sensor_instance(PerSensorData &data, int
 	set_parameter("TC_B%d_ID", sensor_index, &data.device_id);
 
 	for (unsigned coef_index = 0; coef_index <= POLYFIT_ORDER; coef_index++) {
-		sprintf(str, "TC_B%d_X%d", sensor_index, (POLYFIT_ORDER - coef_index));
+		snprintf(str, sizeof(str), "TC_B%d_X%d", sensor_index, (POLYFIT_ORDER - coef_index));
 		param = (float)res[coef_index];
 		result = param_set_no_notification(param_find(str), &param);
 
diff --git a/src/modules/temperature_compensation/temperature_calibration/common.h b/src/modules/temperature_compensation/temperature_calibration/common.h
index 442ed01af3..1a74c44934 100644
--- a/src/modules/temperature_compensation/temperature_calibration/common.h
+++ b/src/modules/temperature_compensation/temperature_calibration/common.h
@@ -97,7 +97,7 @@ protected:
 int TemperatureCalibrationBase::set_parameter(const char *format_str, unsigned index, const void *value)
 {
 	char param_str[30] {};
-	(void)sprintf(param_str, format_str, index);
+	(void)snprintf(param_str, sizeof(param_str), format_str, index);
 	int result = param_set_no_notification(param_find(param_str), value);
 
 	if (result != 0) {
diff --git a/src/modules/temperature_compensation/temperature_calibration/gyro.cpp b/src/modules/temperature_compensation/temperature_calibration/gyro.cpp
index 0f0f9c4a1e..d569af7289 100644
--- a/src/modules/temperature_compensation/temperature_calibration/gyro.cpp
+++ b/src/modules/temperature_compensation/temperature_calibration/gyro.cpp
@@ -197,7 +197,7 @@ int TemperatureCalibrationGyro::finish_sensor_instance(PerSensorData &data, int
 
 	for (unsigned axis_index = 0; axis_index < 3; axis_index++) {
 		for (unsigned coef_index = 0; coef_index <= 3; coef_index++) {
-			sprintf(str, "TC_G%d_X%d_%d", sensor_index, 3 - coef_index, axis_index);
+			snprintf(str, sizeof(str), "TC_G%d_X%d_%d", sensor_index, 3 - coef_index, axis_index);
 			param = (float)res[axis_index][coef_index];
 			result = param_set_no_notification(param_find(str), &param);